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1. Product Name: Pigment Rubine 4B
C.I. Number: Pigment Red 57:1
CAS Number: 5281-04-9
EU Number: 226-109-5
Chamical Family: Mono azo
2. Physical, Chemical and Fastness Properties
Molecular Weight: 424.46
Molecular Formula: C18H12N2O6SCa
P.H. Value: 7.0-8.0
Density: 1.4-1.6
Oil Absorption（ml/100g）: 45-55
Light Fastness: 4-5
Heat Resistance: 160℃
Water Resistance: 4
Oil Resistance: 5
Acid Resistance: 3-4
Alkali Resistance: 4
Alcohol Resistance: 4-5
3. Application
Shade: Bluish Red
Main Application: Offset Ink
Can Use: Solvent-based Ink, PVC, PS.PA.PO
Established in 1991, Hongyan Pigment is one of the excellent manufacturers and suppliers of pigment rubine 4b p.r.57:1. As one of the famous brands, we also offer customized service and quotation consultation service. With many finished products in stock in our factory, we warmly welcome you to buy our low price bulk products made in China.