Sales of various chemical additives to the company, Carbon Black, Rosin Ester, OH POLYMER, DIMETHYL SILICONE FLUID, FUMED SILICA PACKING ... .52BAGS/PALLET.20PALLETS/40GP CONTAINERSales of various chemical additives to the company, Carbon Black, Rosin Ester, OH POLYMER, DIMETHYL SILICONE FLUID, FUMED SILICA ... .If you have this need, please contact us, look forward to your letter. Carbon Black