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Appearance: white crystal powder
Purity: 99% Min.
Thiourea: 0.1% Max.
Moisture: 0.05% Max.
Iron: 10 PPM Max.
Sulphate: 0.17% Max.
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 bleaching of minerals (primarily Calcium Carbonate).
7. Replacing sodium hydrosulfite in all above applications.
Packaging: 50kg/drum, or as customers request.
