Jayanth TungstenJayanth Tungsten ®

    🇯🇵 Export to Japan

    Ammonium Paratungstate (APT) — Japan

    Japanese tungsten chemical processors and specialty material companies — operating within Japan's highly developed inorganic chemical industry — use ammonium paratungstate (APT) as the crystalline intermediate for calcination to tungsten oxides and hydrogen reduction to metal powder, or as a feedstock for tungstate compound synthesis used in catalyst and electrochemical material applications. Japanese buyers typically qualify APT to strict WO₃ content (min. 88.5%), F.S.S.S. grain size (30–70 µm), carbon (max. 0.0010%), and apparent density (30–55 g/in³) specifications, with the full impurity table available on request. Jayanth Tungsten supplies APT (−100 mesh standard) with complete chemistry documentation per lot to support Japanese chemical processor incoming-material qualification records.

    WO₃ ≥ 88.5%, −100 mesh standard ISO 9001:2015 CoA with every shipment
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    Ammonium Paratungstate (APT) specifications

    Key specifications

    Avg. Fisher F.S.S.S. (μm)30.0 – 70.0
    Apparent density (g/in³)30 – 55
    Standard screening−100 mesh
    WO₃ (min.)≥ 88.5
    Carbon (max.)≤ 0.0010

    Applications

    Tungsten oxide & metal powder productionTungsten chemical processing supply chain

    Export packaging & documentation

    APT is supplied as crystalline powder (−100 mesh standard, F.S.S.S. 30–70 µm) in moisture-proof packaging, with WO₃ content (min. 88.5%) and full chemistry stated on the certificate of analysis. Export classification is under HS heading 2841.80 (tungstates).

    Shipping to Japan

    Shipments to Japan are routed from Nhava Sheva or Chennai to Yokohama, Tokyo (Keihin), or Osaka (Hanshin) ports, with sea transit typically 10–14 days — one of the shortest export lanes from India to a major tungsten-consuming market. Tungsten powders and carbides are classified under Japan's Customs Tariff Schedule heading 8101; tungstate chemicals under heading 2841. Export documentation is prepared in English with metric units consistent with JIS/ISO standards used by Japanese buyers. Pricing is quoted in JPY or USD on request.

    Industries we supply in Japan

    Cemented carbide and cutting tool manufacturers (Sumitomo Electric, Kyocera, Mitsubishi Materials, Tungaloy)
    Precision hardmetal and wear-part producers
    Electrical contact and tungsten copper component manufacturers
    Specialty chemical and catalyst material processors

    Export questions

    What chemistry data is provided with APT shipments?

    Each lot's certificate of analysis states WO₃ content (min. 88.5%), carbon (max. 0.0010%), apparent density, and F.S.S.S. grain size, with the full impurity composition table as set out in our brochure available on request.

    Can you supply WC powder meeting Japanese JIS-aligned specifications?

    Yes — our WC powder (F.S.S.S. 2.5–15.0 µm, total C min. 6.11%, free C max. 0.03%) is documented with metric units and ISO-aligned chemistry on each certificate of analysis, consistent with incoming inspection requirements used by Japanese cemented carbide producers. Please share your grade target and application and we will confirm specification alignment and lead time.

    Full Ammonium Paratungstate (APT) specifications

    Complete grade table, selection guidance, quality control and packaging detail for this product, independent of destination.

    Ammonium Paratungstate (APT) specifications

    Request ammonium paratungstate (apt) pricing for Japan

    Share your specification, quantity, and destination port — our sales team will respond with pricing, lead time, and documentation requirements.

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