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Ultramarine
blue pigment 463 (SN208)
Chemical Formula: Na6Al4Si6S4O20
Specification and data sheet: |
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1)Tinting strength: 100 - 300
2) Specific gravity approx.: 2.35 gr/cm3
3) Moisture contents: <1.00% (max.)
4) Sieve residue (through 325 mesh or 45 micron): <0.1%
5) Soluble salt: <0.7% (max.)
6) Acid fastness: 1 (poor)
7) Alkali fastness: 2 - 3 (good)
8) Light fastness: 8 (excellent) |
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