- Qingdao O.B.T Manufacture Co., Ltd.
- The guarantee of quality come from standard services
Industrial grade investment casting 22s mullite sand
| Categories | Mullite sand |
|---|---|
| Brand | OBT |
| Model | OBTA-22S |
| size | 10-16mesh,16~30 mesh,30~60 mesh,200mesh,325mesh,et |
| sample | avaliable |
| FOB port | qingdao port |
| Terms of Payment | L/C, D/A, D/P, Western Union, MoneyGram, T/T, Paypal |
| Update Time | 2022/9/25 |
Detail Information
Production Introduction and Application:
The mullite has high aluminum content, low iron content, small dust, reasonable particle size distribution, high bulk density, high temperature strength and low residual strength.
Available:10-16 mesh,16-30 mesh,30-60 mesh,60m,70 mesh,100 mesh,200 mesh,325 mesh.other sizes can be customized.
Mainly used in the aluminum smelting industry, refractory materials, precision casting , aluminum silicate refractory fiber and ceramic industry.
Specification of mullite sand
The Physical and chemical indicators |
||||||
Grade |
Fe2O3% max |
AL203% min | SiO2% min | TiO2% max | B.Dg/ccm min |
Refractoriness ℃ |
A Prime Grade |
1.20 |
46.00 | 50.50 | 0.70 | 2.55 |
1750 |
High Grade | 1.50 | 44.00 | 51.50 | 0.90 | 2.53 | 1750 |
Normal Grade | 2.30 | 43.00 | 52.50 | 1.00 | 2.50 | 1730 |
200mesh/325mesh | ||||||
200mesh/325mesh | 93%min | |||||
22S(16-30mesh) | ||||||
16-12mesh | 1.18-1.70mm | 25-35% | ||||
20-16mesh | 0.85-1.18mm | 40-50% | ||||
30-20 mesh | 0.60-0.85mm | ＜25% | ||||
50-30 mesh | 0.30-0.60mm | 0.02% | ||||
—50 mesh | 0.00-0.30mm | 0.04-0.06% | ||||
35S (30-60 mesh) | ||||||
50-30 mesh | 0.30-0.60mm | 65-75% | ||||
80-50 mesh | 0.18-0.30mm | 1.00% | ||||
—80 mesh | 0.00-0.18mm | 0.04-0.06% | ||||
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O.B.T Manufacture - One-shop serviceOBT Mining as the China No.1 biggest manufacturer for mullite sand which has been supplying to Germany Thyssenkrupp,totally capacity 200000tons and OBT casting subsidiary factory specializing in R&D and manufacturing of precision casting equipment, precision metal products processing and precision casting process. Comprehensive company for technical research and supply for the invesment casting sand and machines. ...
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