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1,Description ofCalcined Alumina Powder:refractory grade calcined aluminum oxide powder, also known as calcined active α - Al2O3 powder, is made of primary industrial aluminum oxide, aluminum hydroxide as the main raw material, with additive added, and calcined in phase at low temperature (about 1250 ℃).advanced grinding technology and process are adopted,The active alumina micropowder has the advantages of high activity, fine particle size and wide application.
2.Techncial index of Calcined Alumina Powder
Item | Calcining alumina powder |
Al2O3 % | 99.5 |
SIO2 % | ≤0.05 |
Fe2O3 % | ≤0.05 |
Na2O % | ≤0.30 |
K2O % | ≤0.03 |
MgO % | ≤0.03 |
Igloss % | ≤0.20 |
α-Al2O3 % | ≥93.0 |
True specific gravity g/cm3 | ≥3.90 |
Crystal size um | 3-5 |
Grain size um | 3-5 |
3.Features ofCalcined Alumina Powder
1) the purity of the product is high, the impurity is small, and the content of α - Al2O3 ≥ 98%
2) high chemical stability and corrosion resistance
3) high melting point and good thermal stability
4) the product has high hardness, high mechanical strength and good wear resistance.
4.Product application
The products are especially suitable for shaped and irregular refractory products, wear-resistant mold products, high-purity refractory fiber products, improving the high temperature performance of refractory products, improving the corrosion resistance, wear resistance and impact resistance of refractory products, etc.
5.Product packaging
Waterproof and moisture-proof solid packaging, 25kg moisture-proof bag + moisture-proof ton bag
6.Our advantages
Our company has its own product production, processing plant, strong professionalism, product price concessions, free to provide customers with samples, provide first-class technical services.
7,Our company promises to customers: to provide free technical exchanges and services with customers, and to provide samples to customers free of charge without any sample fees.
8,Achievements generated: Our company has previously shipped 100 tons to India.
Do you want to find a professional supplier of refractory products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:
Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
We have professional quality management and testing. Our products are produced through strict quality control system. Our company focuses on helping our customers achieve one common goal that is to produce more quality 99.7% High Density Fine Calcined Alpha Alumina Powder for Ceramics, Refractories, Glazes etc at a low price. We give priority to quality and customer pleasure and for this we follow stringent excellent control measures. We have excellent production equipment and perfect testing facilities.
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