Grade I High-alumina Calcined Kaolin Sand and Powder Used for Investment Casting and Refractory Materials
The Product Introduction
Calcined Kaolin sand is made from kaolin mine throuth high temperature calcained.
The main crystalline phase is mullite . It has good performance on lower thermal expansion rate, uniform expansion , better anti vibration, good hardness etc.
It is very good to be used for precision casting,especially for lost wax casting.
Characteristics:
1. High refractoriness.
2. Aluminum content high, the iron content low.
3. High volume density.
4. Thermal expansion coefficients of small.
5. Physicochemical stability.
6. Fully calcined
7. Dust content low
8. The specification standards.
Advantages:
1. Easy out of shell.
2. No deformation.
3. No reduced scale.
4. Good brightness , Good finish .
5. Product rate is high.
Physical and chemical index
The prodcut detail
16-30mesh
30-60mesh
200 mesh Grade I
The Applications
♦ Used in precision casting.
♦ Refractories and optical glass manufacturing.
♦ Grinding wheel abrasives and high quality glass production.
♦ Mainly applied in plastic seal used in large-scale and extra large-scale integrate circuit.
♦ Epoxy resin, pouring, quartz rubber and other chemical industries.
Our factory
Calcining Blast Furnace
Raymond Mill 
Ball Mill
Process Line
♦ Why choose us?
Cost-effective, fast development efficiency, professional operation with integrity.
Product quality assurance, delivery guarantee, good after-sales service.
♦ When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell me by email so that we will reply to you in time.
♦ How can I get samples to check the quality?
After price confirmation, you can require samples to check the quality of our product. We could send you samples for free while you bear the freight cost.
♦ Can you do the special packing for us?
Yes, we could pack our product according to the requirement of our customers.
♦ How long is your delivery time?
We usually deliver the goods within 10-15 days after the payment.
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Grade I Calcined Kaolin Sand And Kaolin Powder For Investment Casting Images
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