Page 6 - FINAT Yearbook 2014

FINAT TECHNICAL HANDBOOK
9TH EDITION
FINAT TECHNICAL HANDBOOK
Globally acknowledged as the authoritative benchmark on test procedures for self-adhesive labels. Provides details of test procedures for 29 different test methods.
New in this edition:
• FTM 28 - bleeding through paper
• FTM 29 - scratch resistance of an UV ink film on
different print materials,
• Section 2.10 - light fastness of printing ink
Easier to understand through the addition of coloured pictures and graphic illustrations!
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CONTENTS
FTM28
SCOPE
T o h f i t s h e p r mo c i g e r d a u t i r o e n d o e f s c a r i l b a e b s e l t h a e d h s e p s e i c v t e r o t h m r o e u t r g i c h a t s h s e e s p s a m p e e r n t s u b s t r a t e a t e l e v a t e d t e m p e r a t u r e .
TEST EQUIPMENT
Ventilated ovens.
P a p e r c u t t e r .
S p u o b l y s e t s r a t e t e r : fi L l ma b . e l p a p e r , r e l e a s e l i n e r a s a p p r o p r i a t e , a n d
Reflectance Spectrophotometer Example: Hunterlab Ultrascan XE.
TEST PIECES
T h e s e s h o u l d b e s t r i p s f r o m r e p r e s e n t a t i v e s a m p l e s o f l a b e l mrelaetaesriealp. a(ep.egr.)of the 3 layers: label paper, adhesive and
F o r e a c h s a m p l e b e i n g e v a l u a t e d , a n d f o r e a c h t e m p e r a t u r e at which the test will be done, prepare 3 strips of samples of about 5 cm x 20 cm, cut in the machine coated direction. Prepare following samples:
Sample A: label laminate
EVALUATION OF BLEEDING THROUGH PAPER
PROCEDURE
A • g e P i n l a g c : e t h e s t r i p ( s a m p l e B ) t o b e t e s t e d i n o v e n , b y
p p i o l i l n y e g s u t e p r t fi h l e m s s t r b i p e s t w o e f e s n a m t h p e l e s s a o m n p t l e o s p . o f t h e o t h e r w i t h
• Do the same for sample C.
• Take the samples out of the oven after 2 weeks ageing.
Allow to cool to room temperature.
Testing:
D i ff e r e n c e s b e t w e e n a g e d s a m p l e s ( B ) a n d r e f e r e n c e s
(A and C) can be observed either visually or measured with a s p e c t r o p h o t o m e t e r .
1 - Visual comparison:
The aged samples are compared to reference A, to detect aThney bsalemedplethsroaruegehi.ther ranked on bleed through characteristics or on their non acceptance if any bleeding occurs.
2 - Use of a spectrophotometer
Reference sample:
M
SECTION 1 | FINAT TEST METHODS
SECTION 2 | GUIDELINES
2 . 1 R e c o m m e n d e d j o i n s i n s e l f - a d h e s i v e l a m i n a t e s f o r r o l l l a b e l s 6 2 2 2 . . 2 3 P S u r o r f c a e c s e s s i n r g e q r e u c i r o i n m g m c e a u n d t i o a t n i o n s 6 6 3 5 2.4 Safety guide for users of self-adhesive label stock products 66 2.5 Handling and storage of label stock throughout printing and converting 68 2.6 Qualitative Adhesion testing 69 2.7 Adhesives 70
N o m e n c l a t u r e f o r a d h e s i v e s u s e d i n s e l f - a d h e s i v e l a m i n a t e s
2.8 Unwind roll chart 71 2 . 9 R e c o m m e n d a t i o n s r e g a r d i n g s t a t i c e l e c t r i c i t y 7 2 2.10 Advices about light fastness of printing inks and light exposition 74
SECTION 3 | TEST EQUIPMENT
3.1 Standard FINAT Test Roller 76 3 . 2 A u t o m a t i c R o l l i n g D e v i c e 7 6 3.3 Sources of Test Equipment 76 3.4 Testing institutes 88 3 . 5 t e s a ® t e s t t a p e s p r o d u c t i n f o r m a t i o n a n d w o r l d w i d e a d d r e s s e s 9 5
N o t e f r o m t h e e d i t o r
Although the 29 FINAT Test Methods described in this publication have been prepared with the utmost care and accuracy, it should be noted that the safety, efficiency and performance of these test methods and associated
p f r r o o m c e t d h u e r i e r s a p i s p t l h i c e a t r i e o s n p . o F n u s r i t b h i e l i r t my o o f r e t h , t e h e e n t d e - s u t s m e r e . t F h I o N d A s T a c n a d n n a o s s t o b c e i a h t e e d l d i n l i a f o b r l me a f o t i r o a n n d y o l o n s o s , t d i n a m t h a e g m e s o e r l v i n e s j u i r m y p r e l y s u a l n t i y n g s p e c i fi c a t i o n o f p e r f o r m a n c e r e l a t i n g t o t h e m a t e r i a l s u n d e r t e s t .
RESULTS
C a l c u l a t e t h e a v e r a g e f o r e a c h s e t o f 3 r e a d o u t s .
A A v v e e r r a a g g e e w w h h i t i e t e n n e e s s s s i n i d n e d x e o x f o t h f e r e a f e g e r e d n c c o e a t s e a d m s p a l me p A l e = s B W = I ( A W ) I ( B ) Average whiteness index of reference sample C = WI(C) The bleed through resistance BTR (%) is measured as:
T h e s m a l l e r t h e d r o p , t h e l o w e r t h e d e g r e e o f b l e e d through and the better the quality of the label.
NOTES
Detailed information on how to use the Hunterlab Ultrascan XE spectrophotometer are provided in the H u n t e r l a b o p e r a t i n g m a n u a l .
The following internet site:
h t t p : // w w w . h u n t e r l a b . c o m / m a n u a l s / a p p e n d i x a 2 _ 5 . p d f idsiffperorevnidciengsceaxlepsla,ninadtiocens,oandthperovaceridoursecsoalovarislacbalesf,ocrolor display in the data views of Universal Software used by the Hunterlab equipment.
Universal Software performs integration of reflectance/ traisntismuitlutasnXc,eYv,alnudesZovvaelur ethse. TvhiseibAleSTsMpe3c0tr8umis ptoroavrirdivinegat m o r e i n f o r m a t i o n o n h o w t o c a l c u l a t e t h e t r i s t i m u l u s
v a l u e s .
I s s u e d M a r c h 2012
ALS
M e t h o d
F T M 1 FTM 2 FTM 3 FTM 4 FTM 5
F T M 6 FTM 7 FTM 8 FTM 9 FTM 10 FTM 11 F T M 12 FTM 13 FTM 14 F T M 15 FTM 16 FTM 17 FTM 18 FTM 19 FTM 20 FTM 21 F T M 2 2 F T M 2 3 a FTM 23b F TM 24 FTM 25 FTM 26 F T M 2 7 FTM 28 FTM 29
D e s c r i p t i o n
P e e l a d h e s i o n ( 1 8 0 ° ) a t 3 0 0 m m p e r m i n u t e Peel adhesion (90°) at 300 mm per minute Low speed release force
High speed release Force
Accelerated ageing – Extended storage
R e s i s t a n c e t o u l t r a - v i o l e t l i g h t
Silicone Coat Weight by energy-dispersive X - r a y fl u o r e s c e n c e s p e c t r o m e t r y
Resistance to shear from a standard surface Loop’ tack measurement
Quality of silicone coated substrates for self-adhesive laminates: release force
Quality of silicone coated substrates for self-adhesive laminates: subsequent adhesion A d h e s i v e c o a t w e i g h t
Low temperature adhesion
Dimensional stability
S u r f a c e t e n s i o n o f p l a s t i c fi l m s
Chemical resistance – Spot method
Chemical resistance – Immersion method Dynamic shear
Recycling compatibility of self-adhesive labels Fluorescence and whiteness
Ink adhesion - basic
I n k a d h e s i o n - a d v a n c e d
Te s t i n g f o r d i e - s t r i k e o n p a p e r
Testing for die-strike on clear filmic liners Mandrel hold
Evaluation of the silicone coverage of coated p a p e r s b y u s e o f a w a t e r b a s e d s t a i n t e s t Wash-off paper and film labels
I n k r u b t e s t f o r U V p r i n t e d l a b e l s i n k s u r f a c e against substrate or ink surface
Evaluation of bleeding through paper
Scratch resistance of an UV ink film on
d i ff e r e n t p r i n t m a t e r i a l s
C o n s t r u c t i o n
F a c e s t o c k Face stock Laminate Laminate Laminate L a m i n a t e L i n e r
Face stock Face stock Liner Liner
F a c e s t o c k Face stock Face stock F a c e s t o c k Face stock Face stock Face stock Face stock Face stock Face stock Fa c e s t o c k L a m i n a t e Laminate Face s tock L i n e r
Face stock Laminate Face stock F a c e s t o c k
T e s t r e l e v a n t t o
A d h e s i o n 8 Adhesion 10 Delamination 12 Matrix stripping 13 Ageing 15 A g e i n g 16 C o a t i n g q u a l i t y 1 8 Adhesion 20 Adhesion 22 Dispensing 24 Silicone cure 26 C o a t i n g q u a l i t y 2 8 Adhesion 29 Stability 31 P r i n t i n g 3 3 Stability 35 Stability 36 Adhesion 38 Recycling 40 Printing 41 Printing 43 P r i n t i n g 45 D i s p e n s i n g 4 6 Dispensing 48 Adhesion 50 C o a t i n g q u a l i t y 52 Adhesives 55 Printing 56 Printing 58 P r i n t i n g 6 0
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FINAT TECHNICAL HANDBOOK 2014 |
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specify a single spring force that can be applied for all testing. This has to be evaluated for each print sample individually. The target should be to identify the highest possible spring force at which a “level 1” result can still be achieved for that print material and then use this is as a minimum for the final printed product using that material.
The advantage of this method is the simplicity with which it can be used to reproduce the same level of scratch resistance for repeated print jobs with the same materials or jobs using similar materials.
Different self adhesive materials have different softness. This leads to a different deformation of substrate and ink and substrate together. The softer a material is, the easier
it might be damaged/scratched. This means that the same ink on a harder substrate can be tested with a higher spring force than on a softer material.
S I L I C O N E A N D W A X I N P R I N T I N G I N K S
Silicone and waxes inside the ink intend to migrate to thesurfaceaftercuring.Waxesalsohavethefunctionof
i n c r e a s i n g s c r a t c h r e s i s t a n c e . T h e s e m i g r a t o r y m a t e r i a l s can be pushed aside with increasing spring force, but these i n k s c a n s t i l l b e t e s t e d b y t h i s m e t h o d .
C O M B I N A T I O N P R I N T I N G
W h e r e i n k i s a p p l i e d i n s e v e r a l l a y e r s u s i n g d i ff e r e n t
p r i n t i n g t e c h n i q u e s o n t h e s a m e l i n e , i t i s i m p o r t a n t t o
74
75
76
77
SECTION
LIGHT FASTNESS
2.10 ADVICES ABOUT LIGHT FASTNESS OF PRINTING INKS AND LIGHT EXPOSITION
SECTION
3
O t h v e e U r t V i m r a e d , i p a r t i i o n n t s o t h f a p t i g a m r e e e n x t s p o a s n e d d d t y o e l s i g h h a t s w a i l d l e f a c d o e m b p e o c s a i n u g s e B W S 1 ( v e r y l o w )
GU S e r A m a n y
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e p ff r o e c c e t . s s T h i s e t r e e r s m i s e t a d n “ c l i e g h t o t f t a h s i s t n d e e s c s o ” . l o I n r a a t c i o c n o r o d r a c n o c l e o u w r i t c h h a I S n O g e 2 ( = 8 3 p 5 o o ( D r ) I N t o 1 B 6 W 5 2 S 5 8 ) i ( t = i s o c u l t a s s t s a i n fi d e d i n g n ) u . m e r i c a l l y f r o m B W S 1
(sBtaWndSasrtdainzedds fionrcr“eBmluenWtaotiolnswcaales”a; oterisgtinaglliyn,stthruement of t2h8e35teixstitlesitneduwstirtyh.)aTdhaeylight-fsaismtnuelastsinagccxoerndoinglatomIpS.O Iisnttahkisenteisnttonalcyctohuenitn.flOutehnecreinoflfudeinreccintgexfapcotsoursresutochligahst fl r e u m c t a u i a n t i u o n n a s c i c n o u t e n m t e p d e f r o a t r . u r e a n d h u m i d i t y ( w e a t h e r ! )
B W S 2 ( l o w ) B W S 3 (moderate) BWS 4 (rather good BWS56(vgeoroyd)
S p e D c i i a fi mc a e t t i e o r n o s f r o l l :
R W o i d l l t c h o o v e f r r : o r l l u : b b e r t o h a r d n e s s s c a l e Weight of roller: R92oll–er9s8mmamdedtioamtheteraralriersstpilleaccificceapttiaobnlse.
m m 8 5 ± 2 . 5
S m h m o r e 5 0 A ± 8 0 1 ± 5 kg 2 ± 0.05
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mm(0,03“)diametertungstencarbidetip.Thisismoved Loosentheknurledscrewandslideofthecollaroffthe
raautthoemr ogoboiled)stisicnkeorsmoarlloyuatdsiedqeusaitgen.sBayrceoenxtpraesctt,eindknsootfto f h a i d g h e a l i g s h q t u f i a c s k t l n y , e w s s h . i c h r e q u i r e s t h e u s e o f p i g m e n t s w i t h
H e q i g u h i v l a i g l e h n t f t a l s o t w n e e s r s l i p g h i g t m f a e s t n n t e s s a s r e e q u u s i u v a a l l l e y n m t s o a r e n d c o m s a t l y y d t h i ff a e n r i n colour shade.
T i s h d e e a p c e t n u d a l e t n i mt o e n d t u h r e i n a g c c w u h m i c u h l a t t h e e d i n i n k c i o d f e a n t p l r i i g n h t t i s r a r d e i s a i s t i t o a n n , t w w h i t i h c h g e h o o g w r a e p v h e i r c , a a s l t i i s t u k d n e o . w n , v a r i e s w i t h s e a s o n , b u t a l s o
REMARK
Q u o t e d l i g h t f a s t n e s s o f t h e i n k s u p p l i e r w i l l n o r m a l l y b e
i d n e d n i c s a i t t y i , v s e u o b f s a t r a s t t e a n e d t c a ) r , d a p n r d i n s t t i a n n g d c a o r n d d t i e t i s o t n c o ( fi n l d m i t i w o n e / i g h t , eisxcponscuerernsecdentoaraio1.0A0s%wefullllasbolvideplirsitnetd. level and duration T h e a c t u a l p r i n t e d l a b e l s s h a l l b e t e s t e d a t a c e r t i fi e d
vtheeryecffoencvteorfsiloignhct;aiptaisbidlietysttrhoaytedsubffyerthsestUroVnrgalysf.roOmn
e o x n p l y o f s o u r r e a t s o h o l i g r t h t t i mt h e e . fl D u a o y r l i e g s h c t e fl n u t o p r o e w s c e e r n i s t i s n u k s s t a n i o n r e m d a l l y h a v e a l i g h t f a s t n e s s o f B W S 1 t o B W S 2 .
Mrealantuefoacntluyrteorsthdeatrae:siTshtaenlcigehtofainstcnideesnstdlaigtahta,lwiathysout
t t h a k e i n e g ff e i n c t t o s o a f c c t h o e u n w t e o a t t h h e e r r . i n M fl o u r e e n o c v i n e r g , f t a h c e t o p r r s i n s t u i n c g h i a n s k
mu n a m n u i x f e a d c t , u n r o e n r ’ - s e w x t a e r n r a d n e t d y i c n o k v p e r r s i n o t e n d l y a t s h e a f s a o s l t i d n e t o s s n e o f a t n h d e oinnparawcthicite.substrateinafilmthicknesscommonlyused
T b h e e y o r n e d q u t h i r o e s m e e o n n t s l i o g n h t r e f a s s i s t n t a e n s c s e . T t h o e t h r e e s w i s e t a a n t h c e e r t o g o t h e w m e e a a t s h u e r r e d ( f r a e c q c u o e r d n i t n l y g c t o o n D f u I N s e 5 d 4 w 0 7 i t 1 h . l W i g e h a t t f h a e s r t - n r e e s s s i s ) t i a s n t
i r n e k s i s s t a a r n e t f u t o l l y m e o x i p s t o u s r e e d , fl t o u c t t h u e a t w i o e n a s t h i n e r a a i r n t d e mh a p v e e r a t o t u b r e e a p r e n o s d l i l s u h t t a u a n n m t t i s b d . i i n I t n y d e a a r d n r d d e i t s t i o i o n n t s h t a e o r e i l n i a g fl l h u s t o e - f n a r c e s e q t u p o i i f r g e c m d e r . e t A n a p t i n s p , r a w o i r p e a r i t a h t e e r - overvarnishing provides additional protection.
TechRnolilcearlsdpaetead3levels5,10,200(±1%)mm/s
Length of roll area adjustable max 300mm Mains connection 220 V/50 or
110V/60
MOxTfSorSdysIntesmtrusments
P a u s c h M e s s t e c h n i k
P e a r s o n P a n k e E q u i p m e n t L t d . PhirlilonastreTcoehnchToneoclhlsong&oielTosegcSyhun(rhfoaelcoaegdyTqruearttmeresn)t
R K P r i n t C o a t I n s t r u m e n t s L t d .
R R o o mc h a o c l o l G P m h a b r H m a t e c h n i k G m b H ( S e e L a e t u s ) ShiDceLkeAVnetlIrantsrsiterbusm-GemntbsH
S n e e p I n d u s t r i e s B V
S p e c t r o A n a l y t i c a l I n s t r u m e n t s G m b h
t T S e e t s a c a b h l k A e o G M n i G c r m o b S h y s t e m s L t d .
T T e h s e t i T n e g s t M o a m c e h t i r n i c e s C I o n m c p a n y L t d .
Theormaos FSiysshtermSeciGenmtibfihc Inc
3 T T Q i M n C i u s O l s e n
WX-eRistes Umwelttechnik GmbH
Zwick G+A1:B71mbH & Co. Prüfmaschinen
FUrnainteced,KUiSnAgdom G e r m a n y
U n i t e d K i n g d o m
USwSAitzerland
U n i t e d K i n g d o m
G G e e r r m m a a n n y y CSGihenirgnmapa,onHryoen,gUK,oUnSg,AUSA N e t h e r l a n d s
G e r m a n y
G U G n e e r r i t m m e d a a n n K y y i n g d o m
C U a n n i t a e d d a K , i G n e g r d m o a m n y , U S A
UGSerAmany
U U N n K e t i , t h U e e d S r l A K a n i n d g s d o m
ASwusitzriear,laGnedrm, UaSnAy Germany
tXea-cnraksyialesnpdtepcsteoermls,efsotpererrcseimleaesnec,utters s c h o e l o a u r r t e m s e t e a r s s u , r h e a m n e d n r t o l l e r s ,
t v e i s n c s o i l m e e t e t e s t r e s , r s r , u l b o o t e p s t t e a c r s k , UrsetVandcdyuarmirndagdteaesptperlsoictlalfleturiosid,npseel,
r p e e l e e a l s a e n d a n a d d h t e e n s i s o i l n e t e s t e r s c t e o s l o t u p r a n m e e l s a s u r e m e n t taFceolbuxlrotaiurlseirostmncee,santctiocnheagt,inshgirtlheisctkaniness,
s p h e e e a l r a t n e d s t r e e r l s e , a h s i e g h t e a s n t e d r s l o , a w u t s o p m e e a d t i c r X o - r l l a d y o s w p e n c mt o a m c e h t i e n r e s
t t c e e o n s l o t s r i t l a i e m p / c e e o s t r m i c p e r q e u s s i p i o m n e e n q t u i p m e n t
t i a n e d k n h s r e i u l s e b i o , t d n e y , s n p t e a e r m e l i c t e s s h t e e r a r , vbiasrccomdetrerasdability tester
t t h e e a n s r t d s i t n l a e e p s t e e s s , s t s e c r r s a t c h r e s i s t a n c e hX-urmiteideitqyutiepsmternt to FTM 22 tensile testers
over the specimen with different preset spring force.
P i c t u r e 1 : E l c o m e t e r 3 0 9 2 S c l e r o m e t e r H a r d n e s s T e s t e r
Sclerometer. Select the appropriate spring and insert into t h e S c l e r o m e t e r . A l w a y s c h o o s e t h e n a t u r a l s p r i n t a s t h e w e a k e s t t o b e g i n . R e fi t t h e c o l l a r . F i n d t h e s c a l e o n t h e
S c l e r o m e t e r w h i c h m a t c h e s t h e c o l o u r o f t h e s p r i n g a n d a d j u s t t h e t i p f o r c e b y s l i d i n g t h e c o l l a r t o t h e r e q u i r e d settingonthescale.Tightentheknurledscrew.
P r o c e d u r e
1 . P l a c e t h e S c l e r o m e t e r p e r p e n d i c u l a r t o t h e s u r f a c e
b e i n g t e s t e d a n d a p p l y s u ffi c i e n t d o w n w a r d s f o r c e t o c o m p r e s s t h e s p r i n g b y a p p r o x . 2 m m . D o n o t a l l o w the bottom of the Sclerometer (other than the tip), to t o u c h t h e s u r f a c e b e i n g t e s t e d .
l t a e b s t o i n r a g t o e r q y u o i p r m b y e n t h t e a v i n a k i l a s b u l p e p t l o i e d r e i f t e h r e m h i n a s e t t h h e e a a p c p t u r o a l p l r i i g a h t e t TahppertoaxbimleabteloinwdiocaftihoenB(wWiSthionucrtegmueanratnateioen)sohfothwesdaunration ftahsetnqeusosteodftvhaeluper.intedlabelwhichmightbedifferentfrom
3Tes.t3equTipEmSeTntEisQavUaiIlaPbMleEinNaTwidMevAarNieUty.FAnCumTUbeRroEfRmSanufacturersofsuchequipmentislistedbelow,where
p s u o b s j s e i b c t l e t o w c i t h h a n a n g e i n . Wd i e c a a t d i o v n i s o e f y t o h u e t t o y p c e o n o s f u t l h t e t i h r e e q w u e i b p s m i t e e n s t o . f P t l e h a e s r e e s n p o e t e c t t i h v e a t m t h a e n u l i f s a t c i t s u f r a e r r s f r f o o m r m c o o m r e p d l e e t t e a i a l s n d a n t d h a u t p i t d a m t e a s y . b e
Thescratchappearanceasdescribedinthe“procedure” maetaesruiarel.eTahcishdinokeslanyoetrmseepanrahteolwyedvireerctthlyatoonvtehreprpinritnintigngink l e a d s t o t h e f o l l o w i n g r a t i n g s c a l e : l a y e r s a r e n o t a l s o t e s t e d , a s i t i s i m p o r t a n t t o u n d e r s t a n d a d h e s i o n b e t w e e n d i ff e r e n t i n k l a y e r s . T h i s i s e s p e c i a l l y t h e L e v e l 1 : d i s t o r t e d s u r f a c e ; n o i n k s c r a t c h e d o ff ; o n l y c a s e i f p r i n t e d u s i n g d i ff e r e n t p r i n t p r o c e s s e s . T h e s k i l l e d
o u n f d r e e s r i s C t e a n n c t r e a l o E f u t h r o e p i e n a k n o d n a d y i l r i g e h c t t e c o x p n o d s i t u i o r e n s t o I S t O h e 2 s 8 u 3 n 5 ( D I N 1 6 5 2 5 ) .
P c o r i n n c t e s r h n a e v d e t t o o fi b l me m w a e d i g e h u t , n d d e e n r s s i o t y - c a a n l l d e d s u s b t a s n t r d a a t e r d a c p o p n l i d c i a t b i o l e n s t o t h e r e q u i r e d p r i n t j o b .
F i m o r p t o h r e t a p n r t i : n t e r , i n p a r t i c u l a r t h e f o l l o w i n g p o i n t s a r e
• I f n a s t t h n e e s c s a s i s e d o e f c m i s i i v x e e d b e i n c k a s u t s h e e i t i n g k o v w e i r t n h s t h t h e e l o e w a r e l i s e t s l t i g t i h m t e of fade-out.
• MA s i x a e d r e i s n u k l t s o a f r e t h f e r e m q u i x e i n n t g l y a mn i i n x e k d c o i n u l v d e r b y e d v i ff e r e y r e i n n t t e r n a s t i i o v e s . l y tehxianmnepdle,,thaecrerbtayinlosoirnagngites cooriuglidnableligcohmt fpasritsneedsso.f(1For
C o m p a n y
A d h e s i v e T e c h n i c a l S e r v i c e s L t d .
A A A t mr l c a o e s t t e e M c k a G G t e m m r i b a b H l H t e s t i n g T e c h n o l o g y
BrRoKoIknfisetlrdumEVneigsncitnosemIenerditnieagrsLaboratories Vertriebs GmbH UGInnedriitmaedanKyi,nIgndoiam, USA
Light Fastness
Life toimf edanyusmber
5 1 0 20 40 80 1 6 0 350
Summofedr anyusmber
2 , 5 5 10 20 40 8 0 175
p20arthredinahnedre2n0tlypagrotos dyelilglohwt .faTshtinensesdobf ythaefaucntmorixoefd
r e e x d p o e s x e h d i b t i o t s l i a g h s i t g , n t h i fi e c a o n r a t l n y g p e o q o u r e i c r k l l i y g h b t e f c a o s m t n e e s s s y . e W l l o h w e . n )
• I n l i g h t e n e d c o l o u r s ( m i x e d w i t h w h i t e o r e x t e n d e d wl i g i h t h t f p a a s s t n t e e s s ) s t h i s e c p o i r g r e m s e p n o t n c d o i n n g c l e y n l t o r a w t e i o r . n F i o s r l o p w a s e t r e ; l t h e
shades of adequate light fastness only printing inks of fnaosrtmneasllsycbaeteugsoerdie.s BWS 6 to BWS 8 should therefore
• Weak ink deposit / screens: the light fastness of inks ofilfmcastoergoinrisecsreBeWnSs7isasncadrcBeWlySre8dpurcinetde.dBiynctohnintrnaesrt,inwkith d o e f c c r a e t a e s g i o n r g y i B n Wk fi S l m 5 o t h r i l c o k w n e e r s s d e t h c e l i n l i e g s h n t o f a t s i c t e n a e b s s l y o . S f c i n r e k e s n dots fade more rapidly than solids.
CGoeurmntarnyy G G e e r r m m a a n n y y
Ttensstileq, uaidphmeseinotn testers,
a t c e o g n e l o s n r i l t i e m C , e h a t d e r mh i c e s e s u i q o l t u n a i n p t e mt s s e t e n r t s
c U o V l o C u u r r m i n e g a s s u y s r e t e m m e s n t
a U g V e c n u t r S i n n g e e e p q : u r i e p l me a e s n e t t e s t e r s UcoVlocurimngeaesquriepmentt vhisgchosmpetedrsr,etlenasieletetessteterrs tdeynsailme,icadcohheseisoionntesters choulmouidrimtyetaesutererment
8 1 , 8 3 , 8 7 7 9 9 7 8 8 0 6 8 8 0 0 86 82,86 80,84,870 830 8 8 7 8 4 0 84 8 2 , 8 4
g o o d B(eWxcSe7llent) B W S 8
3.2AUTOMATIC ROLLING DEVICE
T s p h e e e F d I N . T A h T e a n u u t o m m b a e t r i c o r f o r l o l e l l r m u n o i v t e e m n e s u n r t e s s c a c o n r b r e e c s t e g t u a i d t a b n e c t e w o e f e n t h 1 e a c o n n d t 9 a c b t y r o a l l s a e n l e d c t e o l e r c s t w r o i t n c i h c . a T d h j u e s r t o m l l e c n a t n o e f a t s h i e l y r b o e l l i n t a g k e n from its mounting. Rolls to other standards can also be used. The roll can also be safely lifted from the substrate in the e n d p o s i t i o n .
U C G h n e i r i n t m e a d a n K y i n g d o m Sweden
N e t h e r l a n d s , U K
t t c e e o n n l o s s u i i l l e e r , m t t e e e s a a t r e s , r u p s r e e e m l , e a n d t h e s i o n t e s t e r s Paper & pulp testing
h c o a l n o d r i mr o e l l t e e r r s s , , r s u p b e t c e t s r o t e p r h s , o t o m e t e r s
Foreachspringadifferentscaleisengravedontheshank o f t h e S c l e r o m e t e r m a t c h e d t o t h e c o l o u r o f t h e s p r i n g .
R e m o v e o n e l a b e l f r o m t h e m a s t e r r e e l .
Put it on a hard surface. A polished steel plate is prefered. The surface should be free of any scratches/ marks.Ifnecessaryfixthesampleinplacewith
a d h e s i v e t a p e a v o i d i n g a n y w r i n k l e s .
F f o o r r t a h e s h l i o g r h t - t l i f v a e s d t n a e d s s v e t r o t i b s i e n g p a b r r t o i c c u h l u a r r e l y i h t i i g s h n ; o a t s n t e a c n e d s a s r a d r y
panigdmceonmtmcaenrcbiaelupsreindt.wForrkprtihnetelrigshotffmasatngaezsisnBeWs,Sbo4o(k=s (outstanding) 700 350 buletcravuisoelethsepyercetflruemctaspvairstibolfetlhigehltig.Bhtuftriotmistheis
P r e p a r a t i o n o f S c l e r o m e t e r
• T h e e ff e c t o f d a y l i g h t fl u o r e s c e n t p r i n t s i s s o i n t e n s i v e
•
•
R o l l D d i a a m t a e t e r : W W e i d i g t h h : t :
HThaircdknessoffrrubberrsluayrfearc:e:
R o l l s c a n b e s u p p l i e d t o o t h e r s t a n d a r d s
m m 8 5 ± 2 . 5 mk g m 2 5 ± 0 0 ± . 0 1 5 Smhmore6 A±800.5± 5
P i c t u r e 4 : S u b s t r a t e i n c o m p a r i s o n : t h e s u r f a c e i s d i s t o r t e d a b o v e t h e b l u e l i n e
Sample B: S a m p l e C :
i
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(lafabceel lpaampienra±teadhesive ±release paper)
n o n c o a t e d f a c e p a p e r
in
TEST CONDITIONS
Sample A is kept as reference for further testing.
S a m p l e B a n d C a r e e x p o s e d t o a c c e l e r a t i n g a g i n g a t 6 0 o C during 2 weeks.
S a m p l e s B c a n b e t e s t e d e i t h e r :
• under light pressure from a carton board which will
ensure that the sample remains flat after test,
• or under a pressure of about 70 g/cm2 which would
s i m u l a t e r o l l p r e s s u r e d u r i n g s t o r a g e .
S a a c ma r p d l b e o C a r w d i l t l o b e e n a s g u e r e d , i t a wn d i l l k r e e p m t a u i n n d fl e a r t l i ( g s h e t e p s r a e ms s p u l r e e s u B n ) . d e r Arebqouvieretmimeentasn. d temperature can be adjusted to fit special
t h e i n
t the
3Pe.r1formSaTnAceNreDquAireRmDenFtsIfNorAthTis TteEstSrTolleRr OareLLthEatRit applies a standard pressure irrespective of the variation in hand p r e s s u r e o n t h e h a n d l e .
Page
79,875 8 0 8 5 87 8 8 3 5 8 8 0 0 83,8785,871
8 8 2 1
8 8 8 1 1 5 7 8 , 8 1 , 8 3 , 8 8 7 5
871 8 5 , 8 8 8 5 7 3
81,8738,817 81
B C ü h r e o m M i n a s y t r r u m e n t s DElactoamcoeltoerr
G U S e r A m a n y
SBweligtizuemrla,nFdrance, Germany Japan, Netherlands
60
61
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a d h e s i o n
a r t e e d x a h t d e i l y e s i m o t e n a s d t i e n g t e m s t a fl c u h i i d n s e s viscometers
s t a n d a r d t e s t r o l l e r s colour measurement scratch resistance
P a g e
8 4 8 4 , 8 7 7 9 9 6 79,82,8642 8 7 9 6 83 78,79,82
U n i t e d K i n g d o m G G U K e e r r , m m U a a S n n A y y
t h e i n k s u r f a c e d i s t o r t e d
Level 2: Scratched ink surface; ink has been removed
f r o m s u r f a c e b u t s u r f a c e o f p r i n t i n g m a t e r i a l i s n o t v i s i b l e
k n o w l e d g e o f t h e i n k s u p p l i e r i s t h e n i m p o r t a n t .
I s s u e d S e p t e m b e r 2 0 1 3
Aged samples:
Measure whiteness index (according to ASTM E 313) in
t p h r e e p ma r i de d d l . e o f e a c h o f t h e t h r e e s a m p l e s w h i c h h a v e b e e n
TEST EQUIPMENT (MANUFACTURERS)
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F G r r a e n t k a g P M T I a G c mb e b t H h A G ( s e e X - r i t e )
H H a e c r a h e L u a s n N g o e b G l e m l i b g h H t F u s i o n U V I n c
H D e r . r H m ö a n n l n e K A G l e m ( E m u r t o M p e e a s n s - h u e n a d d q P u r ü a f r t t e e c r h s ) n i k G b R
HuönlterUAVssAomcieartiecsa,LIanbco. ratory Inc.
IGmTasTsesInticng Systems
IKnisffteroEngineering GmbH
KoönttiecrammaninnoGltamSbeHns&inCgoe.uKrGopeB.V.
L L L l a a o b e y t t d u h s i M n G k a m t I e n b r s i h t a r l u s m T e e s n t t i n s g C o . L t d .
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M . C . T E C B . V .
MectomrexsiIntLetrdn.ationaloy(seeOxfordInstruments) UFiniltaendKingdom pX-erealyasnpdecatdohmeesitoenrs 845
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lab personnel of a printing facility or any other who has been instructed in use of the test equipment.
DEFINITION
The scratch resistance of an ink is normally dependent on the level of curing of the ink film both at the surface curing and within the bulk of the ink. The scratching of the ink film describes the damage of an ink surface through mechanical means, e.g. by the edge of a metallic spatula.
TEST EQUIPMENT
Elcometer 3092 Sclerometer Hardness Tester (referred to as a „Sclerometer“).
The Sclerometer is provided with three springs which
o p e r a t e a t d i ff e r e n t l e v e l s o f f o r c e :
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For contents and how to order go to www.finat.com/en/Knowledge/FINAT-publications/Technical-Handbook.aspx
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The printed labels should be fresh from the press. The
test can be performed directly after printing or after 24 h storage.
Non printed label material should also be tested to confirm that the unprinted surface is not being damaged by too high a spring force, rather than the ink layer itself being the point of failure. This will avoid confusing a failure of the printing with a failure of the label material being printed.
CONDITIONS
Temperature 23° ±-2° C / 70 - 77° F ±- ; Humidity: 50% RH ±- 5% RH.
PREPARATION AND PROCEDURE
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n
ee
k h
nfi
fi
m
ma
en n a
ha
fir rm
a
a
ag
as
m
gn
a
a d
s b
me ed
ni
be
d
d t
i
if
de
e
f
fy
n
e
ef
ee en
th
h
fo
ha
o
ng
or rm
n s
a
at
t
g
g g
m
ma
i
sc
t t
t h
c
cr
h
gl
at
t. .
r
ra
he
l
la
at
e i
a
as ss
ti
on
he
io
n
t
tc
ch
in
s
s,
he
nk
,
, t
n o
e
ed
k h
to
o
d
o d
on
n
n t
d a
ha as
a
de
t
aw
s
e
et
th
i n k s u r f a
wa
s b
b
be
surfa
the upper layers of ink that have been removed (indicating cohesive failure within the ink), or whether the ink has been removed down to the printing material. Both the level of curing of the ink and the spring force used for
the Sclerometer will have an impact on this result. This investigation is important to create comparable test results.
RESULTS
P i c t u r e 3 : D i s t o r t e d i n k s u r f a c e a l o n g s i d e s c r a t c h e d i n k s u r f a c e
a
ac
c
ce
e t
t h
he
en
n
n i
it
t
t i
i s s i
i
im
m
mp
p
po
or
rt
ta
an
nt
t
t t
t o
o
o i
t
te er
ay
r m i n e w
y f r o m t
e e n s c r a
identify
at
ro
y w
w h e
ac
th he
wh
ce
e s
he
ethe er
e o
su
et
ur
th
rf
he
fa
r t h e
o r w w h
ace.
om
e r i t
m t
h e w i d e r a n g e o
t i
er
heth
. I
r e h a s
m
If
i s o
her
f i
r e
a
it
o n
Th
o f p r i n t i n g m a t e r i a l s a n d p r i n t i n g
vailable
e i
i n
n t h
he m
ld
n o
ing
m a
ar
rke
ot
ha
me
es
e t m m e
s v v i
i
is
s
si
i
ib
b
bl
ra
le
e
at tc
e (
a c
ch
c
ch he
( ( (s s
se
hi
e
ee
ie
e
ed d t
e
e i
ev
ve
i m
e
e a
t
t h
t
m
ma
a
a “
at
ag
p a
t t
ti
“ L e v e l 1
1 1 1” ” ”
g
g i
” r r e
i n
n nk
age
es
ks
e 4
su
ul
lt