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Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids (Includes all amendments and changes 4/22/2026).
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STANDARD published on 1.2.2026
Designation standards: ASTM D7133-21(2026)e1
Publication date standards: 1.2.2026
SKU: NS-1268144
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
CIELAB, color, colormetric analysis, instrumental measurement, isocyanates, L*a*b*, light, methylene di(phenylisocyanate), polyols, polyurethane raw materials, polyurethanes, spectrophotometry, transmission, tristimulus, yellowness index, YI,, ICS Number Code 83.080.20 (Thermoplastic materials)
Latest update: 2026-10-22 (Number of items: 2 207 753)
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