Sublimation

　　Product Name: Pyromellitic dianhydride

　　Abbreviation: refined anhydride, homo-anhydride, this product is white or yellowish powder

　　Product use: polyimide film, polyimide resin, high temperature electrical insulating varnish, PVC plasticizer, synthetic resin crosslinker, epoxy resin curing agent, powder coating matting agent.

　　Packing A: Aluminium plastic bag heat-sealed packaging, 10kg per bag, the outer packaging is a carton, two bags per carton.

　　Packing B: Packed in paper drum, lined with PE bag, sealed with outer foil bag, two layers of weight: 25kg/barrel, total weight: 27.5kg/barrel or change packaging according to customer needs.