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Pencil Hardness Tester
Pencil Tester complies with the requirements of ASTM D3363 and ISO15184 standard, through leaving aÂ
superficial trace on the dry coating film with a certain pencil hardness, the surface will be variably damaged
by the hardest pencil to evaluate pass/fail or hardness. Recommend to apply on the smooth film surface.
Use variety of different hardness pencils, the angle between pencil and the coated surface is 45 deg, scratch
on the coated surface under a certain of force, the scratch resistance hardness of the coating is the pencil
hardness which just scratched the coating.
Â
Pencil Hardness Tester
Pencil Tester complies with the requirements of ASTM D3363 and ISO15184 standard, through leaving aÂ
superficial trace on the dry coating film with a certain pencil hardness, the surface will be variably damaged
by the hardest pencil to evaluate pass/fail or hardness. Recommend to apply on the smooth film surface.
Use variety of different hardness pencils, the angle between pencil and the coated surface is 45 deg, scratch
on the coated surface under a certain of force, the scratch resistance hardness of the coating is the pencil
hardness which just scratched the coating.
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