... esters ,Printing inks and fire-retardant etc. Di-Pentaerythritol 85-95% min. (Micronized) Packing: 20Kgs per bag, 14Mt/20'FCL. Structure ... : Purity: 95% min 90% min85%min.Mono Penta.. 2.0% max 3 ... phenolic resin, Aviation Oil Lubricant, flame retardant. Di-Pentaerythritol 85-95% min. (Micronized)