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SCRATCH RESISTANCE - EN 438.2.2005

1. TOOLS
1.1 Scratch resistance tester
1.2 Marker
1.3 Cotton balls
1.4 Solvent (such as acetone)

2. SAMPLING
One square sample of side (100+/-1) mm cut from the sheet under test. The sample shall be wiped with cotton impregnated in a solvent (such as acetone).

3. ENVIRONMENTAL CONDITIONS
Temperature: 23 (+/- 2) °C
Relative humidity: 50 (+/-) 5%

4. TESTING PROCEDURE
4.1 Adjust the sample onto the tester

4.2 Apply the tester’s diamond tip on the sample at a force of 4N



4.3 Apply a marker on the track left by the diamond tip on the sample surface; rub off the marker stain with the help of a cotton ball


4.4 Examine the sample for maker traces absorbed by the material under the sample surface

4.5 Fill the report

5. ASSESSING TEST RESULTS
Passing requirement per the sales contract

 

 

 

 
 
  
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