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VARNISH ABRASION RESISTANCE - ASTM 4060: 2007 (WEIGHT LOSS) (adapted)

1. TOOLS
1.1 Taber abraser (or equivalent)
1.2 Abrasive wheels CS-17 (or equivalent)
1.3 Resurfacing medium S-11 abrasive disk
1.4 Vacuum suction system with a pick-up nozzle

2.SAMPLING
100x100 mm square samples, with a 6.3 mm hole centrally located on each sample

3. ENVIRONMENTAL CONDITIONS
3.1 Condition the samples for at least 24 hours at 23 (+/- 2) ° C and 50 (+/-5) % relative humidity
3.2 Conduct the test under the same environmental conditions

4.TESTING PROCEDURE
4.1 Weigh the samples to the nearest 0.1 g

4.2 Standardize the abrasive wheels (1,000 g per wheel; S-11 abrasive disk; 50 cycles)

4.3 Mount the sample and set the equipment

4.4 Start vacuum pick up and then the abrader’s turn table
4.5 Subject the samples to 500 cycles of abrasion with a weight of 1,000 g per wheel
4.6 Remove any loose abrading debris with a light brush and weigh the sample



4.7 Repeat steps 4.3, 4.4, 4.5 and 4.6
4.8 Record the weight loss after 500 and 1,000 cycles

5.ASSESSING TEST RESULTS
Per the contract

 
  
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