Raw Materials for Refractory - Brown Alumina for Refractory Castable
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Specifications
(1)High Al2O3 Content: 95%min
(2) Professional manufacture
(3) Hot sale overseas
(4) Pass ISO9001:2000.
Brown fused alumina size sand
Product introduction:
The main component of brown fused alumina size sand includes: high quality bauxite, anthracite, scrap iron, its fabrication adopts modern new unique technology. It has short grinding time, high efficiency, good economic returns, low price. Brown fused alumina is superior to other abrasives because it has conchoidal fracture, the edge and corner of this conchoidal are sharp. These edges and corners can form new edge and corner in continuous grinding. The most important characteristics of brown fused alumina are high hardness, high-density,stable chemical
properties and strong self-sharpening. So, it is the best choice for sand blasting process and grinding and polishing, at the same time, brown fused alumina can be used to sandblasting derusting cleaning artifacts and refractory material.
Physicochemical index:
Name | Specification | Chemical compositions(%) | Magnetic material(%) | ||||
Al2O3 | Fe2O3 | SiO2 | TiO2 | ||||
YN-BFA size sand | 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | — | |
25-0mm 10-0mm 50-0mm 30-0mm | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | — | ||
Physical property | Chemical property: neutral Refractoriness: 2100 Bulk density: 1.53-1.99g/cm3 True density: 3.95-3.97g/cm3 Mohs hardness: 9.0 |
1,Grain-size composition: coarse grain ≤5%,fine grain≤5%,basic grain 90% can pass screen mesh or made on the basis of requirements of customer.
25kg,1000kg ,1MT or on the basis of requirements of customer
FACTORY:
- Q:How long is the fire endurance of the rock wool board?
- Some time ago we did an experiment, the result is no change in the burning 30 minutes. The following is the picture of rock wool after the test .
- Q:I wanna ask about the building insulation materials fire rating?
- Hello, I am happy to answer your questions about the classification of building insulation materials fire rating: 1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3 combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. I hope I can help you
- Q:What types does refractory floor include?
- The categories of refractory are: 1. the best overall performance stone flooring (waterproof, fire retardant) The full name is microcrystalline stone flooring. It is a high-performance waterproof and fire-retardant environmental wood floor synthesized with high and new technology. Its unique raw material is ground calcium carbonate micro-crystalline polymer stone with natural resin and other twenty more imported spreadings. It is formed by refining with high temperature (300 degree centigrade) and high pressure (9,000kg). It is an environmental healthing high-performance material. Its product is innocuous and unpoisonous, and won't age, deform, fade while it is fire retardant, waterproof, maintenance-free and quality, so it is an inevitable repalcement with traditional wood floor. This product has been confirmed as national key promotion program. 2. Wear-resistant composite solid wood floor It is also known as super wear-resistant multi-layer solid wood floor. First stiffening layer surface (based on inorganic materials and steel fibers for paper impregnated with thermosetting amino resin with solid wood or plywood blockboard substrate surface as a combination of facing layer), the front is wear-resistant layer, and the back is balance layer. Thtough hot pressing, it is a grooved and tongued floor, a new impregnated paper laminate floor. It also has the same wear-resistant quality as laminate floor, beauty and foot feel as solid wood floor, stable structure as solid wood composite floor, etc. 3. Waterproof plastic wood floor Plastic wood (also known as "wood plastic" or "plastic wood") composites, and the English name is WOOD-PLASTIC-COMPOSITES, WPC for short.
- Q:What are the applications of refractory busway?
- Is an ieal power supply equipment for modern large and medium-sized enterprises, high buildings, the introduced projects, experimental base and other places.
- Q:How long is the fire-fighting time of A class fire resisting window?
- Duration of fire resistance of A class fire resisting window is not less than 1.2 hours; B class window is not less than 0.9 hours. And when install fire window, you must use Level to correct or use hanging line method to correct verticality of four directions, making its same horizontally anf vertically. Window frame must be integrated with the building, using wooden or metal parts connected to the wall. After steel frame is installed, cement mortar must be watered between window frame and wall , and is maintained more than 24 hours before normal use.
- Q:Who knows how to divide the building fire grade and fire resistance grade?
- I hope to help you building fireproof rank division is one of the most basic measure in building fire safety technical measures, Building's fireproof rank is divided into class one, two, three, four according to China's architectural design specification. Fire-resistant capability of the highest level is the strongest; Fire resistance of four level of the weakest. The fire resistance level of a building depends on the combustion performance and fire resistance of the building components that comprise the building. The so-called building component refers to a series of basic components, such as wall, foundation, beam, column, floor, stair, ceiling and so on. The judgment condition of the fire resistance There are three conditions for components' fire resistance limit to be reached, namely, the fire resistance limit of the building component: Loss of support and integrity; loss of time to fire the role of the time; as long as any of these three conditions is met, it will reach its limit of fire. Hope my answer will help you.
- Q:How can refractory material of the electric furnace be used for longer.
- Key: 1, consider the furnace size; As furnace volume differs, pressure of liquid iron (steel) on the crucible wall lining will not the same; 2, consider melting steel type: If different steels are melt, the erosion of steel liquid on the lining refractory is not the same; 3, give full consideration to the lining of the grain size distribution of the refractory material, otherwise, it will cause of refractory matrix size segregation. 4, regardless of the kind of refractory materials, take full consideration into the mineral phrase of refractory material, high temperature and other equal factors. 2011 - 01 - 05 Guangyi mineral
- Q:What material is refractory material?
- Basic refractory materials, basic refractory, CaO, basic, MgO style alkaline earth oxide. The refractory materials mainly refers to magnesia refractories, dolomitic and lime refractory refractory. Main categories: (1) strongly basic magnesite brick, magnesia carbon brick, limestone and dolomite brick refractory materials;(2) alkalescent magnesia chrome refractories, forsterite refractory, magnalium and magnesia-chrome spinel refractory, basic refractory materials, high-temperature caustic slag, alkaline solvent resistance, strongly acidic slag flux or acidic refractory. The reaction is mainly used in steel furnace such as colour metal smelting furnace and cement kiln.
- Q:What are the disadvantages of the refractory industry?
- The rapid development of continuous casting technology allows Hua Heng refractories to be improved in variety and quality. The development of refractory for continuous casting has a significant impact on the production of continuous casting and quality of continuous casting billet. Constructing and putting Baosteel into action has greatly pushed the improvement of the refractory technology. Continuous casting refractory is an important part of the continuous casting machine. In addition to the general characteristics of refractories, it is also required functions that can purify molten steel, improve the quality of steel, stabilize temperature and composition of the molten steel, control and regulate the molten steel flow. Therefore, it is known as functional refractories. Continuous casting Refractories include: (1) ladle refractory - ladle lining, permanent lining and ventilation components; (2) tundish refractories - permanent lining, coating, insulating plates, clad etc; (3 ) functional refractories - long nozzle for non-oxidizing casting, submerged nozzle, monolithic stopper, sliding gate; (4) ceramic purifier for purifying molten , slag dam, alkaline paint and horizontal separating ring and gate board for continuous casting.
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Raw Materials for Refractory - Brown Alumina for Refractory Castable
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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