This standard specifies the equipment, measuring tools, samples, test procedures, result calculation and test report used in the wear resistance test of natural facing stone. This standard applies to the abrasion resistance test of natural facing stone.
GB/T 9966.4-2001 history
2020GB/T 9966.4-2020 Test methods for natural stone—Part 4:Determination of abrasion resistance
2001GB/T 9966.4-2001 Test methods for natural facing stones Part 4: Test method for abrasion resistance