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Heat Exchange Alumina Ball
Application: 1、Regenerative burner bed applications Heat exchange media Properties: Spherical balls of alpha-alumina (corundum) is produced by sintering ball-formed calcined alumina at a temperature just under the 3704°F (2040°C) fusion point of aluminum oxide. Two kinds of  formation process: rolling and pressing . In the working process, alumina balls in the heat storage tank divide the air flow into very small flow strands, and the air flow forms strong thunderstorm when it flows in the heat conduction body, which can effectively absorb the heat on the surface of the heat conduction body, so the regenerative burner can be changed frequently and quickly.After the high temperature gas flows through the regenerator, the temperature can rise to only about 100℃ lower than the flue gas temperature, and the temperature efficiency is more than 90%. Advantages: The corundum alumina ball is made of industrial alumina as the main raw material. It has the characteristics of low shrinkage, high temperature load softening temperature, corrosion resistance, high strength, large heat storage and discharge, good thermal shock stability, good thermal conductivity and small number of thermal expansion. Appearance: White crystalline gravel or ball. Depending on requirements, ball sizes are produced from 1/8 to 2 inch (tolerance ± 6% mm)。
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High-purity Inert Filling Ball
Application: Widely used in petroleum,chemical industry,chemical fertilizer,natural gas,environmental protection and other fields,as the catalyst in the reactor cover support materials and tower filler,The main effect  is to increase the distribution of gas or liquid, to support and protect low strength active catalysts. Properties: With high temperature and high pressure resistance,low water absorption,chemical stability,acid and alkali resistance,resistance to organic solvent corrosion, the balls can with stand the temperature changes in the production process.High purity, high strength, high temperature resistance, high pressure resistance, strong acid and alkali corrosion resistance, thermal shock stability, chemical stability characteristics. Chemical Composition Product AM-90 AM-95 AM-99 AM-99.5 Al2O3(%) ≥90 ≥95 ≥99 ≥99.5 Fe2O3(%) ≤0.2 ≤0.15 ≤0.1 ≤0.05 Technical Parameter Item AM-90 AM-95 AM-99 AM-99.5 Bulk Density(g/cm³) ≥3.2 ≥3.3 ≥3.5 ≥3.6 Packing Density(g/cm³) ≥1.8 ≥1.85 ≥2.0 ≥2.1 Unit Compressive Strength(13mm/N) ≥4000 ≥5500 ≥6000 ≥6000 Water absorption(%) ≤5 ≤5 ≤5 ≤5 Color White White White White Noted:Water absorption can be customized according to customer’s requirement.
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Inert Catalyst Support Ball
Application: Its main function is to increase gas or liquid distribution points, catalyst support and protection intensity is not high life. Properties: A - 99 ALMELT ® catalyst support ball is by the very low silicon content of calcined ά alumina powder, high purity and high strength make it easy to high temperature resistant, as A catalyst in the reactor to cover made of material, it is resistant to high temperature and high pressure, bibulous rate is low and stable chemical properties, can withstand the erosion of acid, alkali and other organic solvents, and able to withstand in the production process of temperature change. Product Details Typical Chemical Analysis(wt.%) Data Al2O3 >99.0 SiO2 <0.35 Fe2O3 <0.15 Na2O <0.5 Typical Physical Properties   Avg Crush Strength Data(lbs(kg) 1/16”(1.0-2.0mm) 120(55) 1/8”(3.2mm) 400(181) 1/4”(6.4mm) 600(272 5/16”(7.9mm) 700(317) 1/2”(12.7mm) 2300(1043) 5/8”(15.9mm) >3000(1360) 3/4”(19.0mm) >3000(1360) 1”(25.4mm) >5000(2268) 2”(50.8mm) >5000(2268) 3”(75mm) >5000(2268) 4”(100mm) >5000(2268) Loose Fill Packing Density,lbs/ft³ (kg/m³) ≤1-1/4”. (125-135) (2003-2163) ≥1-1/2” (115-125) (1842-2003) Apparent Particle Density,lbs/ft³(g/cc) 225            (3.6) Water Absorption,Wt% <1” <1 ≥1“ <5 Maximum Use Temperature,℉(℃) 3272(1800) Thermal Shock Resistance Passed Pressure Shock Resistance Passed
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Alumina Grinding Ball
Alumina Grinding Ball(Dry Grinding) Application: It is great grinding media,widely used for metal and nonmental dry powder grinding equipment. Properties: This product adopts isostatic forming, good toughness, can greatly improve grinding efficiency, reduce the loss of grinding media. Product Details: Item AM-92 AM-95 Al2O3 ≥92 ≥95 Bulk Density(g/cm³) ≥3.60 ≥3.65 Hardness(Mohs) 9 9 Wear Loss(%) <0.015 <0.012 Water absorption(%) <0.01 <0.01 Color White White Size(mm) 13-90mm Size can be customized according to request. Alumina Grinding Ball(Wet Grinding) Application: It is great grinding media,widely used for metal and nonmental wet powder grinding equipment. Properties: Low abrasion,high hardness, impact resistance,energy saving and environmental protection. Product Details: Item AM-92 AM-92S AM-95 Al2O3 ≥92 ≥92 ≥95 Bulk Density(g/cm³) ≥3.65 ≥3.68 ≥3.68 Hardness(Mohs) 9 9 9 Wear Loss(%) ≤0.01 ≤0.008 ≤0.01 Water absorption(%) ≤0.01 ≤0.01 ≤0.01 Color White White White Size:Rolling:0.5mm≤φ≤50mm;Pressing:13≤φ≤90mm; Or be customized according to request.
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Tabular Corundum
Application: Tabular Alumina can be used as the main component in aluminium-carbon, aluminium-magnesium-carbon, magnesia-aluminium-carbon, magnesia-spinel and aluminium-chromium refractory bricks. It can also be introduced into high aluminium amorphous refractories as the enriched alumina component. It can be widely used in steel, casting, ceramics and other industries, and its application in iron and steel industry almost covers. The whole process of ironmaking and steelmaking has been completed.Other applications include electrical insulators, kiln furniture and catalyst carriers. Finely ground plate corundum powder is an excellent filler for epoxy or resin systems to achieve the desired high insulation strength, thermal conductivity and wear resistance. Properties: As a kind of pure sintered corundum material, plate corundum has extremely high heat resistance, mechanical strength and abrasion resistance, high chemical purity, excellent insulation properties and good acid and alkali corrosion resistance.  Product Details: Item(typical) All Sizes -45μm Chemical Composition Al2O3,% ≥99.2 ≥99.2 SiO2,% ≤0.09 ≤0.15 Na2O,% ≤0.40 ≤0.40 Fe(magnetic),% ≤0.02 ≤0.02 Physical Properties Bulk Density(g/cm³) ≥3.50   Apparent Porosity(%) ≤5.0   Water Absorption(%) ≤1.5   1.Tabular alumina measurement is based upon Chinese standard test methods,YB/T 4216-2010.    2.All sizes excluding -45μm.   Particle Size Distribution: Specification(mm) Min to Max(%) Typical Value(%) 10——5 +10 0~20 5 +6.3 45~85 75 -4 0~5 1 6——3 +6.3 0~5 1 +4 25~55 40 -3.35 0~5 1 3——1 +3.35 0~10 4 +2 30~80 55 -1 0~10 2 1——0 +1 1~30 10 +0.5 15~60 36 -0.106 5~25 12 0.045——0 +0.045 0~5 2 -0.045 95~100 98 Packing: 1.1T/bag 2.25kg/bag
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wear-resistance bead
Application: It is mainly used for ultra-fine grinding of non-metallic mineral powder, suitable for chemical, paint, ink, fuel, rubber and other industries. Properties: Lower abrasion, high hardness, corrosion resistance, impact resistance, economical cost.     Product Details: Item Al2O3(%) SiO2(%) ZrO2(%) Bulk Density (g/cm³) Hardness (Mohs) Wear Loss(%) Water absorption(%) Size(mm) Low-Al 50-60 35-45 / ≥2.80 7 ≤0.02 0 0.5-10 High-Al 95 3 / ≥3.70 9 ≤0.015 0 0.5-20 Zr-Al Ⅰ 70 12 13 ≥3.75 8 ≤0.015 0 0.5-20 Zr-Al Ⅱ 75 7 14 ≥3.80 8 ≤0.015 0 0.5-20 ZrSiO4 55 33 7 ≥4.20 8 ≤0.015 0 0.5-10
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