... /year 3,Packing: 22MTS/20' FCL or 24mt/20' FCL 4,Maleic Anhydride /108-31-6 5,purity:99.5% ITEM ... -31-6 2,HS Code: 291714003,Type: Flake and Briquette 4,Application: It used in production of unsaturated polyester resin, in ... is main material of binary acid with four carbons, 1,4-butanediol r-butyrolactone, tetrahydrofuran 5,Packing: 25kgs per plastic woven bag ...