Home > Products > Refactory Matter > Mullite Powder/Mullite sand for Refractory
Mullite Powder/Mullite sand for Refractory
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Product Details
Place of Origin | Shanghai, China | Shape | Block | |
Material | Alumina Block | SiO2 Content (%) | 25-28 | |
Al2O3 Content (%) | 70-74 | MgO Content (%) | 0.2% | |
CaO Content (%) | 0.3% max | |||
Model Number | sy1415 | Brand Name | Xingyue, Xingyue |
Product Description
Specifications
Mullite Fused Powder1.Professional manufacturer
2.Al2O3:99.33%min
3.Free sample
4.Passed ISO9001:2008
Mullite Powder/Mullite sand for Refractory
Function of mullite powder
Mullite powder has the low expansion coefficient, high refractoriness, good thermal and chemical stability. With its preparation of bright, wet strength, type high temperature strength, meet your requirements. Pourable castings, easy out of shell, no deformation, no reduced scale. Good brightness, product rate is high. Product is suitable for carbon steel, stainless steel, heat-resistant steels complex precision castings such as, and also applies to the aluminum alloy, titanium alloy investment casting.
Characteristics of mullite powder
1. Foundry sands for casting has high refractoriness, high volume density, fully calcined.
2. Aluminum content high, the iron content low; dust content low.
3. Thermal expansion coefficients of small.
4. Physicochemical stability.The specification standards.
Advantages of mullite powder
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:
Fused Mullite's Chemical Composition Table | ||
Chemical Composition(%) | Al2O3 | 72-77 |
| SiO2 | 23-29 |
| Fe2O3 | 0.1max |
| R2O | 0.5max |
| RO | 0.3max |
Mullite phrase content(%) | 95min | |
Glass phase content(%) | 5max | |
Linear expansion coefficient(1/°C) | -6.0*10¯6 | |
Real density(g/cm³) | 3.2min | |
Refractoriness(°C) | 1850min | |
Grain size of section sand(mm) | 0-11-33-5 | |
Powder(mesh) | 0-325 0-200 |
Contact Us
- Shanghai Xingyue Energy Technology Co., Ltd.
- Contact nameLucy Li Chat Now
- Phone86-021-15902115458
- Address909, Oasis Tower, No. 555, Zhongshan West Road
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