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Scope

1.1 These test methods measure visually the color of clear polyester and polyether liquids. They apply only to materials whose colors have light-absorption characteristics similar to those of the standards. An alternative method is Test Method D 1209. (See Note 1.)

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Although Test Method A of these test methods and ISO 4630-1997 differ in some details, data obtained using either are technically equivalent. Although Test Method B of these test methods and ISO 6271-1981 differ in some details, data obtained using either are technically equivalent.

Keywords

APHA; color; Gardner; platinum-cobalt scale; polyols; polyurethane raw materials; Pt-Coscale

To find similar documents by ASTM Volume:

08.02 (Plastics (II): D3222 - D5083)

08.03 (Plastics (III): D5117 - latest; Reinforced Plastic Piping Systems and Chemical Equipment; Plastic Building Products)

To find similar documents by classification:

83.040.30 (Auxiliary materials and additives for plastics Including fillers, extenders, hardeners, pigments, plasticizers, etc.)

83.080.20 (Thermoplastic materials)

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