Labs will use ASTM Test Methods E1347 and E1349 to determine color differences. Samples ship in January, April, July, and October.

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Labs will use ASTM Test Methods E1331 and E1347 to determine color differences. Samples ship in January, April, July, and October.

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Labs will use the ASTM Test Method D523 to determine gloss levels. Samples ship in January, April, July, and October.

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