Gamma Alumina

XR400 Gamma alumina called activated alumina is a good catalyst or catalyst carrier in petrochemical, hydride sulfurization, low temperature shift catalyst. XR400 gamma alumina is mainly composed of gamma activated alumina produced by the speedy dewatering process and false water alumina gel produced by continuous carbonization method and adopts advanced molding technology. It owns stable surface area, high compressive strength, low abrasion, proper pore structure, low impurities andgood active impregnation and other good properties etc. We could produce different crystal phases, diameter and content of impurities according to user requirements. Widely used in petrochemical, hydride sulfurization, low temperature shift alumina catalyst carrier, alumina catalyst support and alumina catalyst.

Characteristics of gamma alumina

●Stable surface area

●High compressive strength

●low dust and abrasion

●Good active impregnation

●Low impurity

●Different application and shapes

●We could do the gamma alumina catalyst as your required data

The application of gamma alumina powder

●Petrochemical: efficient catalyst, catalyst carrier and vehicle exhaust purification materials;

●Electronics: integrated circuit substrate, single crystal material, far infrared material and lithium battery material doping;

●Phosphor binder

●Coatings: porcelain coating, wear-resistant coatings, plasma spraying and other precision coating;

●Ceramics: transparent ceramic, ceramic and alumina ceramic;

●Polishing materials: sub-micron / nano-abrasive materials, monocrystalline silicon grinding, precision polishing materials;

●Rubber wear-resisting agent, paint scraping agent.

The size of γ AL2O3

80-160mesh γ AL2O3 powder, 140-325 mesh γ AL2O3 powder, 24*48 mesh γ AL2O3 beads, 0.5-1mm γ AL2O3 beads and requested size as clients.

The specification of large pore volume activated alumina

Item	Unit	Large pore volume activated alumina
size	m/m	Φ2-3	Φ3-5	Φ4-6	Φ5-7
LOI	%	≤7.0	≤7.0	≤7.0	≤7.0
Surface area	㎡/g	≥300	≥300	≥300	≥300
Pore volume	ml/g	≥0.7	≥0.7	≥0.7	≥0.7
Bulk density	g/cm³	≤0.75	≤0.75	≤0.75	≤0.75
Crushing strength	N/颗	≥20	≥50	≥50	≥50

Al2O3(％)	SiO2(%)	Fe2O3(％)	Na2O(％)	LOI(％)	Particle size (80～160 mesh)
≥94	≤0.05	≤0.03	≤0.35	≤5.0	≥90

Storage:

●Avoid moisture, avoid scrolling, throw and sharp shocking during transportation, rainproof facilities should be readied..

●It should be stored in dry and ventilated warehouseto prevent contamination or moisture.

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FAQ

●Q: Do you have technical support during our cooperation of γ AL2O3?

●A: As professional group in activated alumina, we will offer you the professional technical support in our cooperation.

●Q: How to store γ AL2O3?

●A: Firstly, Avoid moisture, avoid scrolling, throw and sharp shocking during transportation, rainproof facilities should be readied. Then it should be stored in dry and ventilated warehouse to prevent contamination or moisture.

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