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About us:
As one of the top manufactory and suppliers of refractory material in China, Yichang Kebo Refractories Co, Ltd is located in one of the largest base of olivine resources in China—Yichang. We can supply mullite in ore, sand and powder of high quality.
We have over 100 employees and our capacity is 10000 tons per year and we are currently exporting 40% of our products worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. Up to now, we have gained a global sales network reaching Japan, the USA, South Korea, South Asia, etc.
About the product:
white fused mullite powder for precision casting
Applications:
Mainly used in investment casting, Cast steel, cast copper, Vacuum casting, plaster filler v-process, casting coatings, casting mold shell, refractory material in metallurgy industry and ceramics etc.
Features
It is made from alumina oxide powder and high-grade kaolin.
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.
Specifications:Density: 2.5 minhardness: 7-8PH: 6.0-8.0Water (%) : 0.3 max
SiO2 (%) : 50-53A12O3 (%) : 44-48Fe2O3 (%) : 0.7 maxTiO2 (%) : 1 maxCaO + MgO style (%) : 0.5 maxK2O + Na2O (%) : 0.4 max
Size:
Size of Chamotte sand: 18-30mesh,30-60mesh,60-80mesh.Size of Chamotte flour: 200mesh,270mesh,325mesh