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).
NORMA vydaná dňa 1.2.2026
Designation standards: ASTM D7133-21(2026)e1
Publication date standards: 1.2.2026
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy 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)