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GMW14688
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GMW GMW14688 Scratch and Mar Resistance
standard by General Motors Worldwide , 11/01/2024
Full Description
ENGLISH CURRENT VERSION * CONTAINS COLORPurpose.
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.
R00002363
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GMW GMW14688 Scratch and Mar Resistance
standard by General Motors Worldwide , 11/01/2024