ASTM D7133 - 16 - Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids

ASTM D7133 - 16

Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids

Status : Current   Published : September 2016

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1.1 This test method provides an instrumental method for measuring the CIELAB color and Yellowness Index (YI) of liquid polyurethane raw materials. The CIELAB and YI results are derived from mathematical manipulation of CIE tristimulus values in accordance with Practices E308 and E313, respectively.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

1.3  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.

Note 1:  There is no known ISO equivalent to this standard.




Standard NumberASTM D7133 - 16
TitleStandard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids
StatusCurrent
Publication Date01 September 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors CIELAB, Color, Colormetric analysis, Instrumental measurement, Isocyanates, L*a*bLight, Methylene di(phenylisocyanate), Polyols, Polyurethane raw materials, Polyurethanes, Spectrophotometry, Transmission, Tristimulus, Yellowness index, YI
ICS83.080.20
PublisherASTM
FormatA4
DeliveryYes
Pages5
File Size81 KB
Price£40.00


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