Specification:
Item Standard
Melting point———————————-77-82
Penetration(25°C, 1/10mm)————not more than 20
Oil content———————————–not more than 3%
Color——————————————–not more than 3.0
Viscosity(100°C)mm2/S——————not less than 10
Water soluble acid and alkali———-No
Usage: