Zinc Oxide

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Principal Specification Red Seal White Seal Colloidal White Seal-S Gold Seal
Zinc Oxide (ZnO) % min. 99.0000 99.5000 99.5000 99.8000 99.9000
Lead Oxide (PbO) % max. 0.1500 0.0100 0.0100 0.0050 0.0050
Cadmium Oxide (CdO) % max. 0.0030 0.0020 0.0020 0.0010 0.0010
Iron Oxide (FeO) % max. 0.0150 0.0020 0.0020 0.0020 0.0020
Aluminium Oxide (Al2O3) % max. 0.0150 0.0020 0.0020 0.0010 0.0010
Copper Oxide (CuO) % max. 0.0030 0.0005 0.0005 0.0005 0.0005
Manganese Oxide (MnO) % max. 0.0003 0.0003 0.0003 0.0003 0.0003
Moisture Content % max. 0.1000 0.1000 0.1000 0.1000 0.1000
Loss on Ignition (L. O. L.) % max. 0.2500 0.2000 0.2000 0.2000 0.2000
Insoluble in HCI % max. 0.1150 0.0400 0.0400 0.0200 0.0200
Residue on (325 mesh) % max. 0.1000 0.1000 0.1000 0.1000 0.1000
Appearance White Powder White Powder White Powder White Powder White Powder
Particle Size 0.6000 0.6000 0.5000 0.6000 0.6000
Specific Gravity 5.6500 5.6500 5.6500 5.6500 5.6500
Specifications
  • According to Industrial Standard JIS K 1410 - 1962
  • Tested by A.A. Spectrophotometer, VARIAN SPECTRAA 40
  • Application
    • Red Seal - Tyres industry, rubber shoes related products
    • White Seal - Animal feeds, ceramic, rust protective paint, rubber products and parts, cosmetics and pharmaceuticals
    • Colloidal - High quality anti-rust paint
    • White Seal-S - Animal feeds & treatment, ceramic, anti-rust paint, rubber product & part, cosmetics, medicine & pharmaceuticals
    • Gold Seal - High quality medicine and pharmaceuticals

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zinc oxide