| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Refractory Cement Description
Refractory cement refers to cement with a refractoriness of not less than 1580°C. Refractory cement uses bauxite and limestone as raw materials, and is a hydraulic cementitious material obtained by calcining clinker with calcium aluminate as the main component and alumina content of about 50%. According to different compositions, it can be divided into aluminate refractory cement, low calcium aluminate refractory cement, calcium magnesium aluminate cement and dolomite refractory cement. Refractory cement can be used to cement various refractory aggregates (such as corundum, calcined bauxite, etc.) to make refractory mortar or concrete, and be used for cement rotary kilns and other industrial kilns as linings.
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Item
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High Alumina Cement
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|||||
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CA50
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CA65
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CA70
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CA75
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CA80
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Al2O3%≥
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50
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64-66
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69-71
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73-75
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77-80
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Fe2O3%≤
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2.5
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0.8
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0.7
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0.6
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0.5
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SiO2%≤
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7.5
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1.2
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1
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0.8
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0.5
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R2O%≤
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0.4
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0.4
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0.4
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0.4
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0.4
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Cl%≤
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0.1
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0.1
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0.1
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0.1
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0.1
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S%≤
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0.1
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0.1
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0.1
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0.1
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0.1
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325 mesh remind≤
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12
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5
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5
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5
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5
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Surface(m2/kg)≥
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320
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380
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400
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430
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450
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Initial Setting Time, min≥
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60
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120
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120
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120
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120
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Final Setting Time, min≤
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360
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420
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420
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420
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420
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Crushing Strength, MPa≥
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1day
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55
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45
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40
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35
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30
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3days
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65
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55
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50
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45
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40
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Bending Strength, MPa≥
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1day
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6.5
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5.8
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5.5
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5.2
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5
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3days
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7.5
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6.7
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6.5
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6.3
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6
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Refractoriness (°C)
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|
1650
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1680
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1730
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1750
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1770
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The application industries of refractory cement include metallurgy, building materials, machinery, petrochemicals, ceramics, glass, boilers, electricity, steel, cement, etc. Mainly used in coke ovens, glass furnaces, blast furnace hot blast furnaces, and other industrial kilns.
Refractory cement is a high-quality binder that can be used to make high-performance low cement and high aluminum castables, refractory concrete, ramming materials, gunning materials, and other castables, or unshape block refractory materials used under high temperature, high pressure, and reducing conditions. Used for building or repairing various high-strength insulation or acid resistant kilns, etc.
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1.25kgs / bag or 1000kgs / big bag with or without pallet, or by customer's request.
2.Normally loading 25 tons in 1 FCL.
Every possible precaution is taken to ensure our products in prime condition when reach customers around the world. By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED has 30 years of experience in R & D and design of unshape refractory experts, holds 20 utility model patents and 7 invention patents, and has passed the ISO quality, environment and safety management system certification. The company is committed to the R & D, production and service of refractories used in metallurgy, electric power, nonferrous metals, building materials, chemical industry and other industries. Its products cover 198 kinds of materials and 2369 varieties in three categories (acidic, neutral and alkaline), providing overall solutions for refractories for 1200 domestic and 200 foreign customers.
Rongsheng Refractory has professional sales and after-sale service team who provide customers all-around service about product application, construction installation and operation technology training etc. Now we have established cooperation relationship with many science and research unit and our products have been sold to Japan, Indonesia,Kazakhstan and Vietnam etc.
Rongsheng Refractory insists on pursuing the management idea of "honest, courtesy, innovation and professionalism" as the purpose,taking the "low price for better quality" as the foundation of enterprise development and creating "Rongsheng Brand" as the enterprise strategic goal. And Rongsheng provides satisfying, timely and efficient service for customers based on scientific management process, complete customer information management system and abundant products types.
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