... 20un maxIt's white powder ,As the material for Alkyd resin, rosin esters, PVC stablizers and fire-retardant etc. Di- ... 's white powder, mainly used as the material for Alkyd resin , rosin esters ,Printing inks and fire-retardant etc. Tri-pentearythritol ... and so on. For the preparation of surface coating,PVC resin, rosin esters and modified phenolic resin, Aviation Oil Lubricant, flame retardant.