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TEST EQUIPMENT3 s8 R8 O0 k& E+ R! H
The only test equipment needed is a credit card (MC, VISA, Amex, or any equivalent card) of thickness0.8 mm.+ D o7 e! H& [
. I& _9 c$ _: O5 n gTEST PIECE(S)
# v9 i; J- q" }The 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".: E7 r; Z X! T
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TEST PROCEDURE" h( s5 ?/ h( C
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.3 r1 _1 g7 n$ {: l$ m
GRIP
- f' u" m: M* n d7 tHold the card between thumb and index finger
" m* V5 K1 }( A) g cSCRATCH ANGLE
: b3 ^+ p1 E3 @Let the distance between the scratch tip and the thumb be 1cm. Hold the card perpendicular1 y1 H- e0 W5 S8 L7 _
to the tested surface and press until the angle is 45° towards the horizontal plane of the
2 L+ |: ?( K6 n9 s6 Fprinting9 P2 H' a4 X% u/ Y
DIRECTIONS9 ~; v. |; S7 C
The print should then be scratched 10 ways in all directions (total of 40 scratches):
! S* q$ g9 p& g- @• From top to bottom* g( z7 T3 @1 m4 V. v: ?/ c
• From right to left
8 T, d9 S* F* Y• From bottom to top; U: Y6 p; w, B. Z
• From left to right |
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