Raw Materials for High Alumina Cement Refractory Cement
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 m.t./month
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Features:
1. Rapid-hardening, high strength.
2. High refractoriness, high-temperature service performance.
3. Good resistance to abrasion, high wear resistance.
4. Stable hydrating capacity.
5. Good anti-corrosion performance.
6. High thermal shock stability.
Application:
1. Construction of sulfate corrosion resistance and high temperature proof.
2. Used in rush repairs, leakage stopping , resistance to sulfate attack.
3. Ideal binder for refractories such as refractory concrete, refractory castable, ramming mixing, gunning mixing and manmade marble bricks.
4. Used as ceramic adhesive.
5. Used for sealing coating products and refractory mortar.
6. Used in chemical industry, metallurgical industry, building materials.
High Alumina cement Refractory Cement
Physical and chemical index:
Item | ; Chemical composition % | Al2O3/CaO | The mjor mineral | color | |||
SiO2 | Al2O3 | Fe2O3 | CaO | ||||
Ordinary high alumina cement | 3-9 | 35-45 | 10-17 | 36-40 | 0.85-4.3 | CA,C4AF,C2AS | ash to black |
High alumina cement | 3-6 | 50-65 | 1-3 | 29-40 | 1.2-2.2 | CA,C2AS | pale yellow |
Low calcium high alumina cement | 0-1.4 | 68-80 | 0-1 | 17-27 | 2.8-4.7 | CA,CA2, α- Al2O3 | white |
- Q:What is the role of the vermiculite fireproof material?
- Apart from inflaming retarding, the materials covered with vermiculite has a lot of advantages including anti rust, waterproof, anticorrosive, wear-resisting, heat-resisting and the coating is armed with toughness, colorability, adhesiveness, fast-drying and luster.
- Q:what should be paid sttention when buying the refractory?
- First, look at the appearance of the product, it will be better if the surface of product is smooth, if there are the injuries and damages which may influence the use, do not use it. Second, the main characteristics of insulation material is flame resistance, reduce the loss of fire occurred at the time of purchase combustion performance testing products, non-combustible stone wool products are the best. Third, refractory insulation with good hygroscopicity is also very important, it can keep your room drying for a long time , played the role of moisture-proof, and more capillary, the hygroscopicity is better.
- Q:What's the texture of refractory for the hearth of reverberatory?furnace? ?
- High alumina brick; you can use zircon brick under the temperature above 1700? ;may i use mullite bricks under the temperature from 1400 to 1700? you can use clay brick and heavy corundum brick under the temperature of below 1400 degrees, question closely: what's the usage temperature of reverberatory?furnace? < pre accuse = "qRA" > is there someone use refractory fiber?
- Q:Who knows the highest temperature the high-temperature refractory coating can resist?
- The temperature resistance degree of high temperature coating is different according to different coating types. The temperature resistance degree is vary from tens to thousands, magnesia brick: Greater than 2000 degrees dolomite brick: Greater than 2000 degrees casting corundum brick: Greater than 1990 degrees. The above data come from the network, for reference only.
- Q:how to use boiler fireclay
- Boiler refractory, diluted with water to touch the places where needed, can be used after high temperature baking.
- Q:What are the main characteristics of the sic refractories?
- The physical properties of SiC refractories include structural properties, thermal properties, mechanical properties, usability and job performance. The structural properties of refractory include porosity, bulk density, water absorption, air permeability, an the distribution of pore size. The thermal properties of refractory include thermal conductivity, thermal expansion coefficient, specific heat, heat capacity, thermal diffusivity, and thermal emission rate. The mechanical properties of refractories include withstand voltage strength, tensile strength, anti bending strength, torsional strength, shear strength, impact strength, abrasion resistance, creep resistance, adhesive strength, and elasticity modulus. The usability of refractories include refractoriness, load softening temperature, linear?change?on?reheating, thermal shock resistant performance, slag resistance, acid resistance, alkali resistance, hydration resistance, corrosion resistance to CO, conductivity, and inoxidizability.
- Q:What is the difference in the nature between the refractory material and thermal?insulation?material
- thermal?insulation?material is a material which has a strong impedance to the heat flow. the nature of the material requires that the material can isolate the delivery of thermal, and the low heat conductivity coefficient and expansion coefficient of the non-metal material.refractory is good in heat resisitance and chamical erosion but not high temperature resistance. Requirements on nature is still in high temperature.
- Q:Procedures for producing common refractory materials?
- The general procedures of producing refractory materials include calcination of raw materials, selection of raw material , crushing, grinding, screening, mixing, ageing mixture, molding, drying, burning and etc. At present, the refractory factory usually purchases the calcined clinker, so the calcination of raw material is no longer a consideration of common refractory plants.
- Q:What are the applications of refractory in petroleum?
- It can be used in chemical filler. For general process, some insulation parts also need to use refractory.
- Q:How should fireproof building materials be ranked?
- Division of fire-proof grade of buildings is one of the most basic measures in the fire-fighting technology and measures of buildings. According to our national code of building design, fire-proof grade of buildings are classified into four levels of first, second, third and fourth, of which the first level is the highest in fire resistance and the fourth level is lowest in fire resistance. Fire resistance rating of buildings depends on the combustion performance and fire endurance of the building component. The so-called building component refers to the walls, foundations, beams, pillars, floors, stairs, ceilings, etc.
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Raw Materials for High Alumina Cement Refractory Cement
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 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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