Rosin Modified Phenolic Resin Manufacturer

Phenolic Resin Manufacturer make such a resin with vacuum treatment, compounded with polycondensate of rosin, phenol & formaldehyde, esterified with glycerol or pentaerythritol, it’s a kind of transparent irregular flake.

http://www.baolin-resin.com/c/rosin-modified-phenolic-resin_...