Raw Materials for Refractory - White Fused Alumina
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- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 5000 m.t/month
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White Fused Alumina For Refractory Material
Specifications
White Corundum/WFA for Lapping and Polishing
1 Professional manufacturer
2 High purity
3 Good hardness and toughness
Product Description
White corundum/WFA is made from the high quality aluminum oxide powder by melting above 2,000°c in the electric arc furance and cooling.
Physical Index
| True Density | ≥3.96g/cm3 |
| Micro Hardness | HV2000-2200 |
| Mosh Hardness | 9 |
| Refractoriness | ≥1850°c |
| Melting Point | 2250°c |
Chemical Index
| Application | Specification | Chemical Composion(%) | |
| Al2O3 | Na2O | ||
| Abrasives | F12#-80# | 99.4min | 0.4max |
| 90#-150# | 99.3min | 0.4max | |
| 180#-240# | 98.2min | 0.4max | |
| 1#-63# | 99.3min | 0.4max | |
| Refractory | 180#-0 200#-0 320#-0
| 99.3min | 0.4max |
| Powder | 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm | 99min | 0.4max |
Size Available
1 Abrasives F8-F1500, P12-P220, JIS240-JIS3000
2 Refractoy 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh
3 Other specifal specification could be supplied as required
Main Applications
1 Coated and bonded abrasive tools
2 Lapping and polishing processe
3 Precision casting
4 Refractory material
- Q: Who knows the setting requirements of roofing fire barrier zone?
- curtain wall style architecture should meet the following requirements: The space between the inner cavity of the base wall and curtain wall and base wall, pier?between?two?windows, window sill wall and skirt wall should be sealed by the fire-proof?sealing?material at each floor. I hope I can help you!
- Q: What is the requirement of refractory concrete for raw materials? What is the main principle of commercial mixing station?
- Refractory concrete generally divided into three categories: lightweight concrete (used in insulation); refractory concrete (for refractory temperature requirements are not very high position, and can withstand a certain air scour); heavy refractory concrete (flow with higher requirements for refractory temperature parts, and can withstand a certain intensity). Mainly depends on the design temperature and the use of parts.
- Q: How many hours of the fire endurance time of the rock wool laminboard?
- Limit is usually two hours. Pay attention to it please.
- Q: What are the differences and connections between softening temperature of the refractory under a fixed load and thermal resistant creep property of the refractory?
- The result of refractoriness under load is temperature while the result of creep is percentage of deformation. Refractoriness under load and creep can be tested by an instrument. Refractoriness under load reflects the temperature in which the deformation reaches a certain degree under the condition of load. Creep reflects the deformation refractory has under the condition of constant temperature and load. Both refractoriness under load and creep are important criterion for the operating temperature of refractory.
- Q: Is aluminium oxide refractory material?
- Yes. It has high melting and boiling point, stable chemical?property. All refractory material almost contains aluminium oxide. Refractory materials have a large range and need specific requirements. Refractory material is divided into sizing refractory material, shapeless refractory material, ceramic fiber, refractory bricks and castable refractory. It can be subdivided according to temperature rating. Hope it is helpful to you.
- Q: What parts of cement kilns are refractories used on?
- In kilns.
- Q: What are the new types of refractories? What are the characteristics? Their applications and developments?
- Special materials often use AZS brick, corundum brick, magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, alumina, Magnesium Oxide, beryllium and other refractory materials. Often used insulation refractories are diatomite products, asbestos products, insulation panels and so on. Unshaped refractory materials commonly used are fettling, refractory ramming material, refractory castable, refractory plastic material, refractory clay, refractory gunning, refractory cast material, fireproof coating, lightweight castable, mud etc..
- Q: Introduction to refractory material
- The best way to learn is on-site contact. If for produing purpose, it is better to ask teh leader of a plant. If for application, go to steel mill (cement plant, glassworks, etc.) to learn and look up information. Theory alone is of no help.
- Q: what's the materials of fireproof?housing?
- there are mainly several fireproofing levels, it is divided into flame retardant and non-combustible! at present t the main fireproofing materials on the market are made from rock wool board! it is incombustible?material, of course, the price is relatively high. Other common materials are fire?retardant foam.
- Q: How do refractory materials apply into pyrophyllite?
- Generally speaking, shaped refractory materials require of some powdery materials like spray grouts and iron trough in addition to pyrophyllite brick made of a mixture of pyrophyllite aggregate and powers.
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Raw Materials for Refractory - White Fused Alumina
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 5000 m.t/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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