... and filling etc. and is insoluble in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases. ... g/L≤603. Uses: It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, ... multi-layer paper plastic compound bag with net weight of 5 kg or 10 kg, or packed by ... from humid, water, pressure and throwing during transport. silicon dioxide