1,Maleic anhydride white briquette 99.5% min 2,net weight: 25kgs/bag,22mt/20fcl with pallet, 24mt/20fcl ... material of binary acid with four carbons, 1,4-butanediol r-butyrolactone, tetrahydrofuran Packing: 25kgs per plastic woven bag lined with ... point °C≥52.452.53Ash%≤0.0030.002Iron PPM ≤51.2 History:Tangshan Baotie Coal&Chemical Co., Ltd was established in ...