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Our this gamma-phase alumina is a white powder with 99.99% purity and 10–20nm grain size. It has high specific surface area (127.18m²/g), suitable pH (7.73) and low impurities. Featuring good thermal stability and adsorption, it is widely used in catalysts, ceramic coatings and electronic materials.
Cas No. :
1344-28-1Density :
3.987 g/cm³Melting point :
2054℃Place of Origin :
ChinaPacking :
25kg/bagApperance :
White PowderPurity :
99.99%Basic information
High-purity alumina (such as 4N grade) has a theoretical density of approximately 3.987 g/cm³. The actual sintered body density often exceeds 3.8 g/cm³. Its Mohs hardness is 9, its melting point is 2054℃, and it possesses both high insulation and corrosion resistance properties.
Specification
1: High specific surface area, capable of carrying active components, and suitable for reactions such as catalytic cracking and hydrofining in petrochemicals.
2: Strong adsorption capacity, used for gas drying, liquid impurity removal, waste gas purification, and fluoride removal from drinking water.
3: High-temperature resistant and corrosion-resistant, enhancing the strength and thermal stability of ceramics and refractory materials.
4: High-purity coating for lithium battery separators enhances battery safety and cycle life.
Factor
y
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A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
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A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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