1,Formic acid for rubber industry 2,Manufacturers white transparent crystal combining two crystal water. melting point: 101-102. specific gravity: 1. ... at 100°C easily dissolve in alcohol and water.usage:1. in metallurgy industry: as precipitating and separating function ... industry, as bleaching agent for textile, substitute for acetic acid, as coloring mordant for fast pigment dyestuff4.in electron ...