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Which grade for what you make.

Eight industries we supply, the grade to try first, and what to check on the COA.

  1. PVC pipes, profiles & plastics

    A fine, dry filler cuts resin cost without making pipes brittle. 500 mesh for pressure pipe and profiles, 400 for conduit and fittings.

    Check on the COA: D97 top-cut, moisture, whiteness

    TryNK-500NK-400
    NK-500
    Fineness · D9725 µm
    10 µm · finecoarse · 300 µm
    Mesh
    500
    D97
    25 µm
    Whiteness
    96%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%
    NK-400
    Fineness · D9738 µm
    10 µm · finecoarse · 300 µm
    Mesh
    400
    D97
    38 µm
    Whiteness
    95.5%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%

  2. Paint, distemper & wall putty

    As a paint extender it saves TiO₂ and binder and resists chalking. 200 mesh gives wall putty its body and easy sanding.

    Check on the COA: Whiteness, oil absorption, residue on sieve

    TryNK-400NK-200
    NK-400
    Fineness · D9738 µm
    10 µm · finecoarse · 300 µm
    Mesh
    400
    D97
    38 µm
    Whiteness
    95.5%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%
    NK-200
    Fineness · D9775 µm
    10 µm · finecoarse · 300 µm
    Mesh
    200
    D97
    75 µm
    Whiteness
    94%
    CaCO₃
    97%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.5%

  3. Detergent powder & soap

    Adds bulk and helps the scrubbing action. 300 mesh for economy detergent, 400 for brighter premium powder and soap.

    Check on the COA: Whiteness, fineness, acid insolubles

    TryNK-300NK-400
    NK-300
    Fineness · D9748 µm
    10 µm · finecoarse · 300 µm
    Mesh
    300
    D97
    48 µm
    Whiteness
    95%
    CaCO₃
    97.5%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.2%
    NK-400
    Fineness · D9738 µm
    10 µm · finecoarse · 300 µm
    Mesh
    400
    D97
    38 µm
    Whiteness
    95.5%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%

  4. Poultry & cattle feed

    A clean, high-CaCO₃ calcium source. Coarser 100 mesh for layer birds (stronger egg shells), 200 mesh for mixed feed and mineral mixtures.

    Check on the COA: CaCO₃ %, particle size, cleanliness

    TryNK-100NK-200
    NK-100
    Fineness · D97150 µm
    10 µm · finecoarse · 300 µm
    Mesh
    100
    D97
    150 µm
    Whiteness
    93%
    CaCO₃
    96%
    Moisture
    ≤ 0.5%
    Acid insolubles
    ≤ 2.0%
    NK-200
    Fineness · D9775 µm
    10 µm · finecoarse · 300 µm
    Mesh
    200
    D97
    75 µm
    Whiteness
    94%
    CaCO₃
    97%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.5%

  5. Tile adhesive, paver blocks & construction chemicals

    Fills voids in concrete and mortar for a denser, smoother finish. Consistent grading keeps your mix workable and setting time steady.

    Check on the COA: Grading consistency, moisture

    TryNK-200NK-100
    NK-200
    Fineness · D9775 µm
    10 µm · finecoarse · 300 µm
    Mesh
    200
    D97
    75 µm
    Whiteness
    94%
    CaCO₃
    97%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.5%
    NK-100
    Fineness · D97150 µm
    10 µm · finecoarse · 300 µm
    Mesh
    100
    D97
    150 µm
    Whiteness
    93%
    CaCO₃
    96%
    Moisture
    ≤ 0.5%
    Acid insolubles
    ≤ 2.0%

  6. Glass, ceramics & sanitaryware

    Acts as a flux that lowers the melting point. 500 and 300 mesh for tile bodies, glazes and sanitaryware; 100 mesh for glass batches.

    Check on the COA: CaCO₃ %, iron content, particle size

    TryNK-500NK-300NK-100
    NK-500
    Fineness · D9725 µm
    10 µm · finecoarse · 300 µm
    Mesh
    500
    D97
    25 µm
    Whiteness
    96%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%
    NK-300
    Fineness · D9748 µm
    10 µm · finecoarse · 300 µm
    Mesh
    300
    D97
    48 µm
    Whiteness
    95%
    CaCO₃
    97.5%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.2%
    NK-100
    Fineness · D97150 µm
    10 µm · finecoarse · 300 µm
    Mesh
    100
    D97
    150 µm
    Whiteness
    93%
    CaCO₃
    96%
    Moisture
    ≤ 0.5%
    Acid insolubles
    ≤ 2.0%

  7. Rubber, PVC footwear & cables

    A low-cost white filler that blends in without weakening the compound, for soles, mats, hoses and cable sheathing.

    Check on the COA: Fineness, moisture, whiteness

    TryNK-400NK-500
    NK-400
    Fineness · D9738 µm
    10 µm · finecoarse · 300 µm
    Mesh
    400
    D97
    38 µm
    Whiteness
    95.5%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%
    NK-500
    Fineness · D9725 µm
    10 µm · finecoarse · 300 µm
    Mesh
    500
    D97
    25 µm
    Whiteness
    96%
    CaCO₃
    98%
    Moisture
    ≤ 0.2%
    Acid insolubles
    ≤ 1.0%

  8. Oil-well drilling, steel & fertiliser

    Raises mud density in drilling and is acid-soluble for easy clean-up; a flux in steel plants; a calcium source and soil conditioner in fertiliser.

    Check on the COA: CaCO₃ %, particle size, moisture

    TryNK-100NK-200
    NK-100
    Fineness · D97150 µm
    10 µm · finecoarse · 300 µm
    Mesh
    100
    D97
    150 µm
    Whiteness
    93%
    CaCO₃
    96%
    Moisture
    ≤ 0.5%
    Acid insolubles
    ≤ 2.0%
    NK-200
    Fineness · D9775 µm
    10 µm · finecoarse · 300 µm
    Mesh
    200
    D97
    75 µm
    Whiteness
    94%
    CaCO₃
    97%
    Moisture
    ≤ 0.3%
    Acid insolubles
    ≤ 1.5%

Typical values. Exact values for each lot are on its COA.

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