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  • -Antimony Ore
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  • Materials Purchasing
  • -Copper Material
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    Purchasing Tin Materiels

    1. Purchasing categories: tin and tin alloy Mix up materials, tin mud
    2. Trial Order Quantity: One Container
    3. Purchasing Quality Standard For Reference &Instruction

    The category of tin, the parts of tin alloy and tin alloy scraps

    Category

    Requirements

    Category

    Group

    Name of Scraps

    Tin and Metallic Lump Tin Alloy materials

    Pure
    Tin
    materials

    Chemical Plating Tin materials

    Grade1; Sn≥95%, no other impurities and oil stain.
    Grade2; 90%≤Sn<95%, no other impurities and oil stain.
    Grade3: 80%≤Sn<90%, no other impurities and oil stain.

    Tin Alloy materials

    Tin Radicle Alloy materials

    Grade1: Sn≥90%, no other impurities and oil stain.
    Grade2; 70%≤Sn<90%,no other impurities and oil stain
    Grade3; 50%≤Sn<70%, no other impurities and oil stain

    Other Alloy materials

    Grade1: 30%≤Sn≤50%, no other impurities and oil stain.
    Grade2: 3%≤Sn<30%, no other impurities and oil stain.

    Tin and Tin Alloy Dross, Dust, Mud Mix up materials

    Tin Mix up materials

    Refining materials

    Particle Size
    30mm max Moisture
    10% max

    Grade1; Sn≥60%, no other impurities and oil stain.
    Grade2:40%≤Sn<60%,no other impurities and oil stain.
    Grade3; 20%≤Sn<40%, no other impurities and oil stain.

    Furnace materials

    Particle Size
    100mm max
    Moisture
    10% max

    Grade1; Sn≥30%, no other impurities and oil stain.
    Grade2:15%≤Sn<30%, no other impurities and oil stain.
    Grade3; 3%≤Sn<15%, no other impurities and oil stain.

    Hydrometallurgy, Plating Mix up materials

    Particle Size
    15mm max
    Moisture
    40% max

    Grade1; Sn≥80%, no other impurities and oil stain.
    Grade2:60%≤Sn<80%, no other impurities and oil stain.
    Grade3; 40%≤Sn<60%, no other impurities and oil stain.
    Grade4: 4%≤Sn<40%, no other impurities and oil stain.

    Tin Mud

    Tin Mud

    Particle Size
    1mm max
    Moisture
    60% max

    Grade1; Sn≥60%, no other impurities and oil stain.
    Grade2:20%≤Sn<60%,no other impurities and oil stain.
    Grade3; 4%≤Sn<20%, no other impurities and oil stain.

    Quality and Shape
    It's not allowed to mix sealed container, flammable, explosive, toxic, radioactive substance and medical waste into tin materiel. Under transportable condition, the biggest external dimension of lump tin materiel can be negotiated and determined by both parties of seller and buyer, and indicated in the contract. If there are special requirements from buyer, it can be negotiated by both parties and indicated in the contract.
    Inspection and Acceptance
    The inspection of tin materials could be consigned to the third party (such as AHK, SGS, and ALEX STEWART), the seller should guarantee the quality conforming to the stipulation of the contract.

     

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