Product name: pigment red 57:1
C.I.NO.: P.R57:1
Formula: C18H12N2O6S.Ca
Color shade: blulish
Appearance: red powder
Grade: industrial
Molecular weight: 424.44
CAS No.: 5281-04-9
EC No: 226-109-5
SPECIFICATION:
ITEM | INDEX |
Moisture (%) | ≤3.0 |
Water Soluble Matter (%) | ≤2.5 |
Oil Absorption (g/100g) | 45-55 |
Electric Conductivity (us/cm) | ≤500 |
Fineness (80mesh) % | ≤5.0 |
PH Value | 7.5-8.5 |
Acid Resistance | 4 |
Alkali Resistance | 4 |
Alcohol Resistance | 4 |
Ester Resistance | 4 |
Ketonr Resistance | 4 |
soap Resistance | 3 |
Migration Resistance | 3 |
Heat Resistance (ºC) | 220 |
Light Fastness | 6 |
Benzene Resistance | 4 |
APPLICATION:
Widely used in printing ink, textile, paint,plastic,rubber industry.