GMW14688

GMW14688 4th Edition, June 2018 Scratch and Mar Resistance

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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).

Note: Method A is the standard method. Method A may be used for molded parts and for sample plaques. 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 SAE J1545 and SAE J1767.

Method B is based on ISO 2813.

Applicability.

Uncoated interior and exterior plastic parts.

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