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SCRATCH RESISTANCE PRIVATE STANDARD

1. TOOLS
1.1 Tray
1.2 3 M green abrading pad
1.3 2 Weights

2. SAMPLING
1*400 mm long * full width sample

3. ENVIRONMENTAL CONDITIONS
Condition the samples on a flat surface for 24 hours at 23(+/-2)°C and 50(+/-5)% relative humidity

4. TESTING PROCEDURE
4.1 Make sure the samples’ grain is parallel to the movement of the abrading pad

4.2 Attach the pad under the tray

4.3 Place 2.5 kg (residential) or 5 kg (commercial) on the tray


4.4 Abrade 50 cycles and clean the sample with the help of a soft brush or wet cloth until the surface is clearly exposed






4.5 Examine the surface under sufficient D65 Average North Sky Daylight

5. ASSESSING TEST RESULTS
No scratches




 
  
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