... material: Sodium Bicarbonate. H.S. Code: 38130010 In different colors BC Dry Powder Main component is Sodium Bicarbonate, may be charged ... .0± 350.10Calcium Carbonate (CaCO3),%55.0 ± 344.70Mica powder, %2.02.0Anti-blocking agent, %3.03.0Silicone oil, kg7.08 ... , % max0.200.20Storage: in a cool, dry, and ventilated warehouse. BC Dry Powder 40%