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| Categories | Calcined Kaolin |
|---|---|
| Brand Name: | VOBEN |
| Model Number: | 0-1mm,1-3mm,3-5mm,16-30mesh,30-60mesh.. |
| Certification: | ISO9001 |
| Place of Origin: | China |
| MOQ: | 20MTS |
| Price: | US$220-500/MT FOB Qingdao |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | 50,000-100,000 Mts Per Year |
| Delivery Time: | 20days |
| Packaging Details: | 25 kgs in plastic bag, 40 bags/Pallet ,1000kg/bag, |
| AL2O3: | 40-48% |
| FE2O3: | 1.0-3.5% |
| SIO2: | 49-55% |
| TiO2: | 0.8-1.2% |
| Bulk density g/ccm3: | 2.37-2.58% |
| Refractoriness: | 1750 |
High-alumina Calcined Kaolin for Foundry sand and Refractory material
(0-1mm,1-3mm,3-5 mm,16-30mesh,30-60mesh,200mesh)
1. Production Introduction and Application
Size of sand: 8-16,16-30,30-60,30-80,60-80,80-120 (mesh):Used for investment casting.
Size of powder: -200mesh,-270mesh,-325mesh: Used for investment casting and refractories.
Size of particles: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm,0-5mm,0-50mm:Used for refractories.
2. Specification
| AL2O3 % | 46-48 | 45-48 | 44-48 | 44-48 | 43-48 | 42-46 | 40-46 | 36-42 |
| SiO2 % | 49-52 | 49-52 | 50-53 | 50-53 | 50-53 | 50-53 | 50-54 | 50-55 |
| Fe2O3 % (max) | 1.0 | 1.15 | 1.3 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
| Ti02 % (max) | 0.8 | 0.8 | 0.9 | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 |
| K2O+Na2O % (max) | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 |
| Ca0+Mg0 % (max) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 |
| Bulk density g/cm³(min) | 2.58 | 2.55 | 2.52 | 2.50 | 2.45 | 2.40 | 2.37 | 2.30 |
| Refractoriness °C(min) | 1780 | 1770 | 1760 | 1750 | 1740 | 1720 | 1710 | 1700 |
| Impurities % (max) | 0.5 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 |
0-1mm

1-3mm

3-5mm

5-8mm


We have different grades of mullite sand for you to choose.
Grade I(200mesh,30-60mesh,16-30mesh)

Grade II(200mesh,30-60mesh,16-30mesh)

Grade III(200mesh,30-60mesh,16-30mesh)

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