Hello, Welcome to Mintchem Group!
    
  | Product Specification | ||
| Product type | Blue pigment | |
| Appearance | Powder | |
| Chemical constitution | Na6Al4Si6S4O20 | |
| CAS No. | 57455-37-5 | |
| Color and Coloring Strength | ||
| Refer to Standard DIN 55986(1981) | ||
| Min. | Max. | |
| ΔL* | -0.7 | 0.7 | 
| Δa* | -0.7 | 0.7 | 
| Δb* | -0.7 | 0.7 | 
| ΔE*ab | 1.0 | |
| Relative coloring strength | 95% | 105% | 
| Technical data | Specifications | |
|---|---|---|
| Water soluble matter | ≤1.5% | |
| Residue (0.045mm) | ≤0.1% | |
| pH | 7.5-10 | |
| Sulphur content | ≤0.10% | |
| Volatile matter @ 105°C | ≤1.0% | |
| Oil absorption | 25-45g/100g | |
| Standard Package | 25kg/bag | |
| Transport and storage | ||
| To avoid weathering, store in a dry place and avoid drastic changes in temperature. Products that have been unpacked should be sealed to prevent moisture absorption and contamination. | ||