Purpose / Target: The impact test serves the evaluation of the resistance of coatings against cracking and/or replacement from the metallic background for the evaluation with a deformat
Trang 1TIGER DRYLAC
Quality Control
Test instruction
Impact test 20 in lbs;
ASTM D 2794
PA 04
1 Purpose / Target:
The impact test serves the evaluation of the resistance of coatings against cracking and/or replacement from the metallic background for the evaluation with a deformation by shock loading
2 Description of the procedure:
2.1) Testing sets
Impact testing set ASTM D 2794
2.2) ) Execution
The coated sample sheet metals must be stored before the check at least 12 h If no special test conditions are proven, then the following standard conditions apply:
The tappet mass must amount to 2 lbs
The head is determined with the stop ring at 10 inch
The sample sheet metal is put on the stencil of the testing set, and the drop body is raised up
to the adjusted head (stop ring) In this height the drop body is omitted and falls on the sample sheet metal
2.3) Analysis
The developed depression at the exterior is searched with the eye on cracking examines If the result does not correspond to the pre-set value the check of the same sheet metal is in such a way repeated
3 Link documents:
ASTM D 2794
Approved by:
Ing M Mathe
Issue date April 95
Update status
01
Folder - Nr
HQ 03 - 18
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