Phenolic resin curing agent

Item No.: GHJ
Phenolic resin curing agent
Description
  Quality index of phenolic resin curing agent:
PRODUCT Benzene sulfonyl chloride P-toluene sulfonyl chloride Ethyl sulfate Composite curing agent
Appearance White transparent liquid White crystalline powder Colorless liquid Dark gray viscous liquid
Specific gravity 1.37-1.41 Solid - 1.1-1.2
Purity ≥95% ≥97% sulphuric acid>98%,Absolute ethanol -
Acidity Medium Low High Medium
Free acid <1% - - <3%
Melting point 14-16 65-71 - -
Moisture <2% <2% <5% 0.03
Viscosity - - - 20-30s(With 4 cup, 25℃)