Hiourea dioxide 991.Hg/t3258-2010/reacgh certificate2.Thiourea dixoide free sample3.3000mt/month4.Quick ship thiourea dioxide 99 no.1, basic physical and chemical propertiescas no 1758-73-2byname formamidine sulfinic acidappearance white crystal powder, odour lessmolecular formula nh2)2cso2 molecular weight 108.12un no 3341 0thiourea (%) ≤0.10moisture (%) ≤0.05iron(ppm) ≤10sulphate (%) ≤0.17 pictures usage & application 1. Pulper bleaching of recycled paper. 2. Single stage bleaching of recycled paper. 3. Sequential stage bleaching of recycled paper. 4. Solubilizing vat dyes. 5. Clearing commercial dyes. 6. Reductive 25kg kraft bags