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Description / Abstract: Purpose. Determination of the scratch resistance of plastics (Method A) and the determination of the mar resistance of plastics (Method B). For this purpose the surface is scratched.
Note: Method A is the standard method. Method A may be used for molded parts and for sample plates. Method B is a development method. Method B may only be used for sample plates with correct color and grain.
Method A is based on ISO 7724.
Method B is based on ISO 2813.
Applicability. Uncoated interior and exterior plastic parts.
Note: Method A is the standard method. Method A may be used for molded parts and for sample plates. Method B is a development method. Method B may only be used for sample plates with correct color and grain.
Method A is based on ISO 7724.
Method B is based on ISO 2813.
Applicability. Uncoated interior and exterior plastic parts.