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Basic Chrome Sulfate
Basic Chromium Sulfate (BCS) – Premium Tanning Agent & Dye Fixative for Leather Industry
- Overview
- Recommended Products
- Chemical Formula: Cr(OH)m(SO4)n·xH2O
- Appearance: Blackish green powder
- Standard: GB/T24331-2009
- Features: It’s dissolves in water quickly. It has good solvability. Contains high tanning compound and has very strong moisture absorption.
- Applications: It is mainly used in tanning leather, mordant, trivalent chromium plating. It can be used as a reactive black dyes and dye industry produce hydrogen chrome oxide materials.
- Packaging: 25kg bags, supporting ton bags.
Product Name: Basic Chrome Sulfate
Product Details:
Product parameters
| ITEM | INDEX | |||
| Normal type | Masked type | Masked crosslinked type | Masked self-alkalization type | |
| Basic chromium sulfate (in Cr₂O₃)/% | ≥24.0 | ≥23.0 | ≥22.0 | ≥19.0 |
| Cr(Ⅵ)/(mg/kg) | ≤2.0 | |||
| Basicity(B)/% | 33±2 | 34±2 | 39±2 | / |
| pH | 2.0~4.0 | 2.0~4.0 | 2.5~4.0 | 2.5~4.5 |
| Water insoluble matter/% | ≤0.5 | / | ||
| Fe/(mg/kg) | ≤100.0 | |||
| Hg/(mg/kg) | ≤0.1 | |||
| As/(mg/kg) | ≤1.0 | |||
| Pb/(mg/kg) | ≤1.0 | |||
