pentaerythritol (content93% 95% 98%)is main raw material of alkyd resin, oil paninting .It also can be used as follow: manufacturing plastifiers that of hot and cold resistance and without posion, additive agent of lubricant, emulsifying agent petroleum antifreezing agent,stabilizing agent of polyvingl chloride chorinated polythether fire, retardant, fire resistant paninting and printing ink and the like.