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Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates
STANDARD published on 1.1.2010
Designation standards: ASTM D4877-10
Note: WITHDRAWN
Publication date standards: 1.1.2010
SKU: NS-28989
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
APHA, color, isocyanates, platinum-cobalt scale polyurethane raw materials, Pt/Co scale, Apha color, Isocyanates, Liquids, Polyurethane raw materials--isocyanates, Visual examination--plastics, ICS Number Code 71.080.30 (Organic nitrogen compounds), 83.040.30 (Auxiliary materials and additives for plastics)
| Significance and Use | ||||||||||
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This test method can be used for research or for quality control to characterize isocyanates used in polyurethane products. For toluene diisocyanate, results from this test method can relate to reactivity or performance in polyurethane systems. |
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| 1. Scope | ||||||||||
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1.1 This test method measures the color of clear liquids. It is applicable only to materials whose color-producing bodies have light-absorption characteristics similar to those of the platinum cobalt color standards used. (See Test Method D1209 and Note 1.) 1.2 The values stated in SI units are to be regarded as 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—This standard is equivalent to ISO 6271-1:2004. |
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| 2. Referenced Documents | ||||||||||
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Latest update: 2026-09-10 (Number of items: 2 300 145)
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