Rosin modified phenolic resin. It is the vacuum treated product of esterification of glycerol (or pentaerythrite) with the polycondensate of rosin, phenol (or bisphenol A) and formaldehyde. It has... view more

Rosin modified phenolic resin. It is the vacuum treated product of esterification of glycerol (or pentaerythrite) with the polycondensate of rosin, phenol (or bisphenol A) and formaldehyde. It has... view more

Mixture of rosins, fatty acids, sterols, high-molecular alcohols, and other alkyl chain materials. It is a resinous yellow-black oily liquid... view more

Terpene polymer. Is polymerized by gum turpentine. Offers strong cohesive force, good aging resistance, heat resistance, acid resistance, alkali resistance and excellent dielectric properties. Is... view more