Calcined Alumina It is white crystalline powder.It has high chemical purity,steady property,well sintering property.It is the basic raw material of high-grade ceramics and refractory products which are wear resistanct,heatproof,and corrosion-resistant,etc.The active a-Al203 us characterized by low absorbing water rate,well fluidity,high sintering density and high strength under high temperature.It is specially used for producing unformed refractory materials. Chemical data sheet Size Al2O3 Fe2O3 Na2O SiO2 Density Loss on lgnition a-Al203 % % % % g/cm3 % % AF601-C 99.5 0.04 0.15 0.06 3.96 0.10 96.0 AF 620HC 99.5 0.03 0.15 0.10 3.95 0.10 95.0 AF 603DC 99.5 0.03 0.25 0.06 3.95 0.10 94.0 AF 604ZC 99.5 0.03 0.30 0.06 3.95 0.10 93.0 . Note: The median particle size of above product can be made into special size according to your requirement. Also we can adjust the other specification according to your requirement. 25 kg / bag/50kg/bag/ton bag.
Vertical attrition mill, high speed ultra fine grinding machine, ball mill, vibration mill, pot mill, double cones mixer, tilt mixer, high speed mill, planet ball mill etc;the wear resistant polyurethane lining and polyurethane elastomer products, pu ball, every kinds ball mill pot, alumina bricks, lining facing, alumina ball, high alumian pot, powder of zirconia, zirconia ball, agate ball and pot, and other agate products.
Kohs Ceramics, which is a professional manufacturer of advanced ceramics with 19 years of R&D experience.we can custom various textile ceramics,alumina ceramic tubes,crucible and so on.If you are interested
Kohs Ceramics, which is a professional manufacturer of advanced ceramics with 19 years of R&D experience.we can custom various textile ceramics,alumina ceramic tubes,crucible and so on.If you are interested
High purity al2o3 alumina ceramic ball as ball mill grinding media Product information HS code 69091200.00 Application The product is widely used in precision processing and deep processing of various ceramics, enamels, glasses and hard materials in chemical factories, as grinding media for fine crushing machines like ball mills, can-type mills and vibration mills. MOQ 1KG Sample Free samples are available
High-Performance Calcined Alumina Powder a- Al203 has good high temperature performance, Calcined Alumina Powder is widely used in ceramic industry, monolithic refractories and shaped refractories products. According to the degree of grinding and crystal size, Calcined Alumina Powder plays the different roles in ceramics and refractory industry. 1. Increase the content of alumina in the using of natural raw material formula in order to improve the refractoriness and mechanical properties. 2. Increase the amount of fine powder accumulate in order to improve the mechanical strength and wear resistance. 3. Through the reaction with binder such as cement into the stability of high refractoriness, and excellent reting matrix. a- Alumina Powder chemical and physical composition: Composition Specification Al203 Fe203 Na20 Si02 a-Al203 True Specific Gravity High Temperature Calcined Low Temperature Calcined By optimizing the particle accumulation to reduce water added in monolithic refractories
Uses Sample baking, drying and sample digestion test, is a necessary tool for geological, metallurgical, environmental protection, agriculture, grain and cooking oil, forestry, food, medical and health, biochemical and other laboratories, as well as teaching and research. Sample digestion before chemical analysis of soil, feed, plants, seeds, heavy metals, ore. It is an ideal equipment of sample pretreatment for analytical instruments such as AA, ICP, ICP-MS, and atomic fluorescence. It can also be used for preparation and acid steaming treatment of microwave digestion. Structure Metal frame, anti-corrosion coating, silicon carbide angular beam, high purity alumina (HPA) combined heating plate. Features Convenient operation, fast heating, doesnt expose wires, no open fire, no fire hazards. Insulation protection, safe and reliable. Gradient temperature control, Max. Temperature 500/700 C. Can be used directly or in combination with silicon carbide plate, so that the temperature uniformity, anti-corrosion have achieved better results.
Clay, talc, bauxite,bauxite 50+ alumina, high alumina bauxite barite, bentonite, kaolin, dolomite, quartz, limestone, gypsum, bitumen 60 70, alabaster gypsum, kaolin, meta kaolin, china clay, palm oil, palm olein, sugar icumsa 45.High alumina bauxite of 58+. ready stock of 40,000mt available
BrandKOHS TypeRound Bushing Tube Material99%Alumina Ceramic ColorIvory DimensionsOutside Diameter7.95mm Inside Diameter4.78mm Wall Thickness3.17mm Length2500mm Long-term Operating Temperature1600oC or 2912 °F Tolerance±0.3mm Package Bubble Wrap + EPS + Carton + Wooden Box
Application:Industrial ceramic grinding media Self Abrasion:0.0055-0.01% Al2O3 content:92%,95% Making type:Rolling; ISP HRA: 85 Type:Ceramic Balls,alumina grinding media balls Appearance:Smooth and white Color:white Compressing strength:2000Mpa Size:0.5mm-95mm Advantage: High wear resistance HS code:690912 Certificate:ISO 9000
Application:Industrial ceramic grinding media Self Abrasion:0.0055-0.01% Al2O3 content:92%,95% Making type:Rolling; ISP HRA: 85 Type:Ceramic Balls,alumina grinding media balls Appearance:Smooth and white Color:white Compressing strength:2000Mpa Size:0.5mm-95mm Advantage: High wear resistance HS code:690912 Certificate:ISO 9000
Application:Industrial ceramic grinding media Self Abrasion:0.0055-0.01% Al2O3 content:92%,95% Making type:Rolling; ISP HRA: 85 Type:Ceramic Balls,alumina grinding media balls Appearance:Smooth and white Color:white Compressing strength:2000Mpa Size:0.5mm-95mm Advantage: High wear resistance HS code:690912 Certificate:ISO 9000
brown fused alumina is fused and crystallized under high temperature from a mixture of bauxite and other and other raw materials. It is characterized by its high hardness,good toughness and shape in size. Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as: carbon steel,general-purpose alloy steel,annealed malleable iron and hard broze,etc.It also can be used as refractory materials Applications: Brown fused alumina for coated and bonded abrasive tools Brown aluminum oxide for lapping and polishing processes Brown fused alumina for sandblasting Brown aluminum oxide for producing mold of precision casting Brow fused alumina as refractory materials
High alumina with dimple tiles provide excellent performance against slip of belt & resist wear. High alumina tiles are vulcanized with nitrile rubber in design. 1sq. Mtr.
High purity White fused alumina WFA grit High purity White fused alumina WFA grit was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling.White corindon is white with the main crystal phase alpha-Al2O3.The White corindon produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved. Purpose: 1.Bonded abrasives and Coated abrasives 2.Floor/Wall Laminates 3.Thermal Spraying(Plasma Spraying) 4.Lapping & Micro-blasting applications 5.Surface preparation and finishing 6.Super Refractories,Ceramics and Tiles 7.Brake linings Available sizes; Grain: 0-1mm 1-3mm 3-5mm 5-8mm Fine powder: 0-100mesh 0-200mesh 0-320mesh Grit: 8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# Micro powder: ï¼?FEPAï¼?F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 (JIS) #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #10000 Chemical analysis: Al2O3(min) 99% SiO2(max) 0.4% Fe2O3(max) 0.2% Na2O(max) 0.4% Physical characteristics: color white Mohs Hardness 9.0 Melting point 2250 Bulk density 1.75-1.95g/cm3 Real density 3.95g/cm3
BFA with high bulk density(can be washed as your requirement) Brown Fused Alumina with high bulk density is crashed by Barmac processing line. It is characterized by its high bulk density, high grinding ability,strong self-sharpening, good toughness, ultra-low content of the magnetic materials.
White fused alumina oxide is manufactured by the fusion of controlled quality pure grade Alumina in an electric arc furnace at temperatures greater than 2000C followed by a slow solidification process. Strict control over quality of raw materials and fusion parameters ensure products of high purity and high whiteness. The cooled crude is further crushed, cleaned of magnetic impurities in high intensity magnetic separators and classified into narrow size fractions to suit the end use.
Brown aluminum oxide is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200C, and made into different grain sizes through crystal, choosing, crashing, magnetic, separating, screening, washing etc. It is characterized by its high hardness, good toughness and sharp shape in particles. Brown Fused Alumina(BFA) is made from Calcined Bauxite. It is a hard and tough material, used in manufacturing of grinding wheels (both vitrified and resin bonded) and coated products. These grains are also used for shot blasting and as polishing Media. Refractory grade BFA is used as a raw material in the manufacture of high Alumina refractory. It is available in grit sizes as per FEPA for abrasive applications and group grits for refractory applications.
Item Fireclay brick Sk32 Sk34 Al2o3 (%) ¡ý 38 42 Refractoriness (oc) ¡ý 1670 1730 Refractoriness under load, oc, 0.2mpa ¡ý 1250 1300 Linear change(%), oc¡á2h 1350 1350 -0.5~0 -0.5~0 Porosity (%)¡ü 26 26 Cold crushing strength, mpa¡ý 15 20 Wooden pallets
