Bulking AgentsChina Food Grade Copper Sulphate Penta Pentahydrate / Sodium Lauryl Sulfate 98% Blue Crystals/ Powder CAS 7758-99-8, Find details about China Copper (II) Sulfate, CuSo4 from Food Grade Copper Sulphate Penta Pentahydrate / Sodium Lauryl Sulfate 98% Blue Crystals/ Powder CAS 7758-99-8