1.It is used for polyester resins and alkyd as raw materials.
2.It is the raw material of glass.
3.It can be used as the food industry in the beverage, liquor, and so the sour agent.
Specifications︰
Assay(as C4H4O4) 99.5%~100.5%(anhydrous basis) Melting Point 294~300 Arsenic(as As) 3mg/kg Max Heavy Metals(as Pb) 10mg/kg Max Maleic Acid 0.10% Max Residue on Ignition 0.1% Max Water 0.5% Max