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TEST EQUIPMENT/ R2 G) f& ? j5 N4 K
The only test equipment needed is a credit card (MC, VISA, Amex, or any equivalent card) of thickness0.8 mm.# u- y. p& y- ?+ M) J
; x' W, F% P" H$ O0 Z: t3 Y9 ^TEST PIECE(S)
0 r: ^( ]$ o) ~8 MThe test piece (print) must be in the same conditions as they would if the end-costumer would receive it.The print must be hardened and be "ready to use".+ d% W+ o. m1 p" n* a2 z/ |3 ^0 P
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TEST PROCEDURE) `. M1 \1 t& ]; o* E
The card is to be used as a scratch device in order to try to initiate a crack before trying to peel of in the print. In order to perform the test right the grip of the card, the angle towards the print, and the pressure given is quite essential.$ x4 G5 k8 G& A% m
GRIP* { p D% q; r$ H8 I
Hold the card between thumb and index finger; ^# A7 K0 B2 Q+ M9 s) U: `9 @) z
SCRATCH ANGLE9 Z% n- `# v4 @
Let the distance between the scratch tip and the thumb be 1cm. Hold the card perpendicular- K. R0 L8 Q- |
to the tested surface and press until the angle is 45° towards the horizontal plane of the
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DIRECTIONS6 _+ s& U3 L# w! x& o8 j+ T6 D
The print should then be scratched 10 ways in all directions (total of 40 scratches):- L$ a4 |) W8 B+ [; S+ p
• From top to bottom# t1 I* e/ H r; |9 r
• From right to left: X. C" s. h/ C ^& ^2 m1 q
• From bottom to top
+ U+ T5 b) X1 ^• From left to right |
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