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The Storflam® ZHS is used in a number of Plastic, Rubber and Paint applications and it can completely replace Antimony Trioxide in formulations. Zinc Hydroxystannate ZHS is also capable of improving smoke performance in both halogen free systems. Addition levels for this product are typically in the range of 2 % to 7 %.

Chemical Name: Zinc Hydroxystannate

Functions: Flame Retardant, Smoke Suppressant

Compatible Polymers & Resins: Unsaturated Polyester (UPE)

End Uses: Cables, Pipes, Tanks

    Knowde Enhanced TDS

    Identification & Functionality

    Plastics & Elastomers Functions
    CAS No.
    12027-96-2
    Molecular formula
    ZnSn(OH)6
    Molecular Weight
    286.14
    Custom Tarif
    2841 90 85
    EC No.
    404-410-4
    Technologies

    Features & Benefits

    Applications & Uses

    Compatible Polymers & Resins
    Plastics & Elastomers End Uses

    Properties

    Physical Form
    Appearance
    Free flowing powder
    Odor
    Odourless
    pH Value (10 gr ZnSn(OH)₆/ 100 gr H₂O at 20°C)
    min. 6
    Typical Properties
    ValueUnitsTest Method / Conditions
    Arsenic Contentmax. 20mg/kg
    Bulk Density (Tamped, Untamped)1.2 (0.9)g/cm³
    Cadmium Contentmax. 5mg/kg
    Chromium Contentmax. 0.1mg/kg
    Dehydration Temperaturemin. 180°C
    Lead Contentmax. 20mg/kg
    Mercury Contentmax. 0.5mg/kg
    pH Value (10 gr ZnSn(OH)₆/100 gr H₂O at 20°C)min. 6
    Whiteness, WI (D65/10°)min. 79ASTM E313-96
    Refractive Index1.9
    Specific Gravity (20°C)3.3g/cm³
    Particle Size (>53 micron 270 mesh) - Laser diffractionmax. 0.1%
    Tint - “b*”max. 2.5
    Average Particle Size (D50 - Laser diffraction)max. 3μm
    Volatile Loss (1 Hour at 105°C)max. 1%
    Conductivity (10 gr ZnSn(OH)6 / 100 gr H2O at 20 °C)max. 600μS/cm
    Water Solubility (gr ZnSn(OH)6/100 gr H2O at 20°C)max. 0.01%
    Chlorides Contentmax. 20mg/kg
    Tin Contentmin. 40 - max. 43%
    Zinc Contentmin. 20 - max. 23.5%

    Packaging & Availability

    Packaging Type
    Regional Availability
    • Europe
    Standard Packaging

    25 Kg Bags.