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Feldspar · Ceramics

Feldspar forceramics

Potash or soda feldspar as a flux for ceramic bodies and glazes, with a low-iron grade where fired whiteness matters.

K₂O (potash)
up to 10.5%
Na₂O (soda)
up to 8.5%
Fe₂O₃, low-iron
< 0.15%

What matters

The parametersthat matter here

A key flux in ceramic bodies and glazes, including sanitaryware and tableware.

  • up to 10.5%

    K₂O (potash)

  • up to 8.5%

    Na₂O (soda)

  • < 0.15%

    Fe₂O₃, low-iron

Chemistry

Chemicalcomposition

Typical ranges by weight.

Feldspar chemical composition by weight

SiO2 (silica)
68–70%
Al2O3 (alumina)
17–19%
K2O (potash)
Up to 10.5%
Potash grade
Na2O (soda)
Up to 8.5%
Soda grade
Fe2O3 (iron oxide)
< 0.15%
Low-iron grade available

Mesh grades

Four grades,potash and soda

A higher mesh number means a finer powder. All four grades are available in potash and soda types.

  • 100

    Mesh · ≈ 150 µm

    Our coarsest grade

  • 150

    Mesh · ≈ 105 µm

    Medium

  • 200

    Mesh · ≈ 75 µm

    Fine

  • 300

    Mesh · ≈ 50 µm

    Our finest grade

Particle sizes are standard sieve-opening equivalents (US mesh), given for reference. 50 kg PP bags, or jumbo bags for bulk orders. Delivered across India, or documented for FOB or CIF export from Chennai or Mundra.

FAQ

Feldsparquestions

What's the difference between your potash and soda grades?

Potash feldspar contains up to 10.5% K₂O; soda feldspar contains up to 8.5% Na₂O.

Which mesh grades are available?

100, 150, 200 and 300 mesh, in both potash and soda types.

Do you have a low-iron grade?

Yes, with Fe₂O₃ below 0.15%.

Do you supply quartz powder?

Yes, in 100, 150, 200 and 300 mesh. Tell us the grade, quantity and packing you need, and we will quote.

How is feldspar packed?

In 50 kg PP bags or jumbo bags. Export orders are documented for FOB or CIF shipment from Chennai or Mundra.

Do you supply within India?

Yes. We supply customers across India as well as overseas. Tell us your city, product and quantity, and we'll quote.

Feldspar quote

Get afeldspar quote

Tell us the type (potash, soda or quartz powder), mesh grade, whether you need low-iron, the quantity and your packing preference.

Fine pale mineral powder, close-up
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