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- Contact Person : Ms. Bai Xueyan
- Company Name : Shijiazhuang Kedahua Imp. & Exp. Trade Co., Ltd.
- Tel : 86-311-89687086
- Fax : 86-311-86040662
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Potassium feldspar for ceramic industry
1.Feldspar Physical Property:
Appearance | High Micro powder/ raw material lump |
Special modified | washed |
ISO whiteness (%) | > 90.0 |
Specific gravity (g/cm3) | 2.6 |
Median particle size(microns) | 0.7 |
+325 Mesh Sieve remaining (%) | < 0.03 |
105°C Free water % | ≤1 |
PH value | 5.0-7.0 |
2.Potash Feldspar:
SiO2 (%) | Al2O3 (%) | Fe2O3 (%) | TiO2 (%) | CaO (%) | MgO (%) | K2O (%) | Na2O (%) |
71.76-66.33 | 18.5-15.23 | 0.06-0.26 | 0.02-0.06 | 0.10-0.29 | 0.03-0.12 | 8.41-15.5 | 3.28-3.63 |
3.Albite(soda feldspar):
SiO2 (%) | Al2O3 (%) | Fe2O3 (%) | TiO2 (%) | CaO (%) | MgO (%) | K2O (%) | Na2O (%) |
70.51±0.5 | 18.07±0.5 | 0.06-0.26 | 0.02-0.06 | 0.10-0.29 | 0 | 0.11 | 8.5-15 |
4.Applications:
Field | Application | Quality requirement |
Glass and Glass making products | Feldspar as raw material of flat glass and kinds of glass make products, it can decrease the glass melting point, reduce the use of calcined soda. Sodium feldspar as raw material of glass fiber can improve the fiber quality and as substitute of pyrophillite. | Al2O318% Fe2O30.6% Na2O+K2O10% |
Ceramic industry | Feldspar as blank material in the production of ceramic, enamel, electrotechnical porcelain products (20-40% addition) and as raw material to glaze (20-70% addition) | Fe2O30.3-1.0% |
Cement industry | As one of raw material to producing white cement | |
Chemical Processing | Crushed feldspar can be used as filling material to latex, painting,carbamic acid, acetic acid, propylene or like products. | As filler, bigger content of free quartz is preferred; as filler to cosmetic powder, 2-8um alkali feldspar is required. |
Abrasives | Powdered feldspar can be used in abrasive industry. | |
Other fileds | wide applications are found in paper making, refractory product, machine manufacturing, painting, welding rod etc that feldpar is used as filler. |
5.Sizes32mesh, 40mesh, 60mesh,100mesh, 200mesh, 325mesh, 400mesh, 600mesh, 800mesh, 1250mesh etc other sizes are available upon request.
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Potassium feldspar for ceramic industry
