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Zinc Hydroxystannate

Zinc Hydroxystannate
Zinc Hydroxystannate
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Product Code : 68
Brand Name : Avanschem
Product Specifications
  • Physical Form
  • Powder
Product Description

Zinc Hydroxystannate

We have in store for our clients a wide range of Zinc Hydroxystannate. Zinc Hydroxystannate has excellent flame retardant and smoke suppression properties of ZHS. Further, this can be used in Flame Retardant Low Smoke (FRLS) & Halogen-Free Flame Retardant (HFFR). 

Zinc Hydroxystannate is also known as ZHS.

Specification Of Zinc Hydroxystannate (ZHS) :Chemical formulaZnSn(OH6)AppearanceWhite powderAnalysisSn - 41% 
Zn - 23% 
CI - < 0.1% 
Free H2O - < 1% 
Specific gravity3.3Bulk density (g/cm3)Tamped - 0.6 
Untamped - 0.5Median particle size (g/cm3)(µM) 2.3Aqueous solubility (@ 20°C)<0.01%Refractive index (@20°C)1.9Decomposition temperature (°C)> 180

Applications :

Zinc Hydroxystannate (ZHS) can replace Molybdenum Trioxide in PVC FRLS cable compound

ZHS was developed initially for use on halogen containing polymer formulation, especially flexible PVC for wires and cables

Zinc Hydroxystannate (ZHS) can provide Oxygen Index as well as Smoke Suppressant properties

By adding Antimony Trioxide you get oxygen index but smoke increases, while by adding ZHS you get oxygen index as well as smoke suppressant properties


The excellent flame retardant and smoke suppression properties of ZHS have been demonstrated for the following materials:-

PVC ( Rigid and Flexible), FRLS CABLE compound

Polyester Resins

Alkyd Resin-Based Paints

Polychloroprene ( Neoprene)

Chlorosulphoned Polyethylene ( Hypalon )

Polyamide ( Nylon 6 and Nylon 66 )

Epoxy Resins and Ethylene-Vinyl Acetate Co-Polymer

EVA, HFFR cable compound

Trade Information
  • Sample Available
  • Yes
  • Sample Policy
  • Contact us for information regarding our sample policy
  • Packaging Details
  • As per buyer requirements
  • Main Export Market(s)
  • Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa
  • Main Domestic Market
  • All India


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