... of thiourea dioxide,as a fine chemical product with high additive value,thiourea is widely used in pharmaceutical raw material, ... degree1713) Use:1, thiourea can be used in drug and feed additive 2, bleaching agent and floatation agent of metallic mine3, dyeing auxiliary ... ; 4, rubber accelerator; 5, developer and toner; 6, plating additive; 7, used in the production of gold and electrolytic copper ...