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
Označenie normy: ASTM D7133-21(2026)e1
Dátum vydania normy: 1.2.2026
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
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)