Pyromellitic Dianhydride (PMDA) Cas 89-32-7
  1. This product is used as a curing agent for epoxy resin, and has excellent anti leakage performance

for epoxy resin used as casting and laminating motor materials. This product is also used as a matting

curing agent in the production of powder coatings, polyimide resins and films, high-temperature resistant

electrical insulation paints, solid lubricants, plasticizers, and crosslinking agents for polyester resins. 


2. Used as a curing agent for epoxy resin, with a reference dosage of 56 parts by mass and curing conditions 

of 180 ℃/15min. Due to its high melting point, it is difficult to mix with epoxy resin and can dissolve in phthalic 

anhydride or maleic anhydride. It is often mixed with these anhydrides as a curing agent. The cured material has 

excellent heat resistance and physical and mechanical properties, with a deformation temperature of up to 200-250 ℃. 

It is also used in the manufacture of polyimide, polyimide, polyester resin, plasticizer, surfactant, water-soluble alkyd resin, 

phthalocyanine blue dye, and bactericide. It is also used as a solid lubricant, urea formaldehyde resin stabilizer, corrosion inhibitor, 

radiation protection agent, and electronic photography toner.