... /1000lb big bag, 40 bags in a 20’ container, palletized / 50 bags in a 20’ container, non-pallet.250kg/500lb drum ... , it is used as acidity regulator, alkali, impregnant’s pigment. CAUSTIC SODA PEARLS, NaOH 99%, AlkaliWhite flakes or granular or solid with ... , insoluble in acetone and diethyl ether.We are the largest caustic soda beads manufacturer in China with 80,000 tons annual output ...