Zinc Hydroxystannate

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CAS 12027-96-2
Structure Zinc Hydroxystannate
Synonyms ZHS / ZnSn(OH)6
Molecular Formula ZnO.SnO3H2O
Appearance White powder
Application Zinc Hydroxystannate and Zinc Stannate are effective in halogen free and halogen containing systems. Although generally, there is little difference in the effectiveness of Zinc Hydroxystannate and Zinc Stannate, the latter is the preferred additive for polymers that are processed at temperatures above 200oC.
Bulk Density 0.6 gm/cm³
Content Tin 41.5 - 43 %
Zinc 22 - 24 %
Decomposition Temperature 200 °C
Loss On Ignition 17 - 19 %
Moisture Content 0.005
Particle Size 10 µm (D90);
Median Particle Size, 1 µm(D50)
pH 10 (5% aqueous slurry)
RefractiveIndex 1.9
Specific Gravity 3.3
Specific Surface Area 7 cm²/gm

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