DONGGUAN YIHUI HARDWARES MACHINE ACCESSARIES CO., LTD.
Dongguan YIHUI Hardwares Machine Accessaries Co., Ltd.
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Refractory Mullite Sand High Aluminum Content 60-80 Mesh Density 2.5-3.5g/Cm²
Specifications of Mullite sand
1). Mullite sand with high volume density
2). High refractoriness
3). Aluminum content high, the iron content low
| Product | mullite | ||
| Specification | A | B | C |
| Al2O3 | 47% min | 60% min | 70% min |
| Fe2O3 | 1.8% max | 1.35% max | 1.4% max |
| Na2O+K2O | 0.4% max | 0.4% max | 0.4% max |
| CaO+MgO | 0.5% max | 0.5% max | 0.5% max |
| B.D | 2.55% max | 2.75% max | 2.8% max |
| Moisture | 0.5% max | 0.5% max | 0.5% max |
Mullite Sand
1. High refractoriness
2. Aluminum content high, the iron content low
3. High volume density
4. Physicochemical stability.
5. Fully calcined
6. Dust content low
Size:
Size of Mullite sand: 8-16 mesh,16-30 mesh,30-60 mesh,30-80 mesh,60-80 mesh,80-120 mesh
Size of Mullite powder: -200M mesh,-250 mesh,-270 mesh,-325 mesh
Applications:
1) Product is suitable for Stainless steel, alloy steel, carbon steel, heat-resistant steel, titanium alloy, nickel alloy, aluminum alloy, cast iron, cast copper complex precision castings and big, medium and small castings, etc.
2) Product is suitable for precision casting ,Silicon Sol investment casting, lost wax casting ,Cast steel, cast copper, Vacuum casting, plaster filler v-process, casting coatings, casting mold shell, etc.
