Feldspar · Glass
Low-iron feldsparfor glass
A source of alumina and alkalis for glass batches. The low-iron grade supports clarity.
- Al₂O₃
- 17–19%
- Fe₂O₃, low-iron
- < 0.15%
What matters
The parametersthat matter here
A source of alumina and alkalis in glass batches. Low iron matters where clarity does.
17–19%
Al₂O₃
< 0.15%
Fe₂O₃, low-iron
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.
