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topic 17623

Zinc Stannate Process

A discussion started in 2002 but continuing through 2018


Q. Can someone tell me what the actual process is to manufacture Zinc Stannate. I need this due to a belief I have wherein Indian Tin process could be converted via incorporation into our production needs rendering the much desired results?

Thank you,

Grant Doney
- Vancouver, BC, Canada


A. Two 'zinc stannates' are commercially manufactured as flame retardants / smoke suppressants for polymeric materials. Zinc hydroxystannate (ZHS), is produced by aqueous reaction of either sodium or potassium hydroxystannate with a soluble zinc salt (typically zinc chloride), and is precipitated as a white solid. Zinc stannate (ZS) is produced by controlled thermal dehydration of ZHS, typically at temperature in the range 250 - 350 deg.C, and is also a white powder.


Dr Paul Cusack
Tin Technology Ltd. - Uxbridge, Middlesex, UK

February 24, 2008

Q. Solgel process for zinc stannate? I had produced zinc stannate almost 100% but would like to know sol_gel process as I am just 19 yr old tech graduate from metallurgy stream expect a good help from senior

Harish Ojha
- Hyderabad, AP, India

March 13, 2018

Q. In which solvent is zinc stannate soluble?

zara khan
- QAU Pakistan

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