Raw Materials for Refractory - Silicon Fume SF-90
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 5000 m.t./month
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CMAX Brand Silica fume is a byproduct of producing silicon metal or ferrosilicon alloys.It consists primarily of amorphous silicon dioxide (SiO2),its average granule diameter is 0.15~0.20 µm,specific surface area is 15000~20000 m2/kg.
1. Very low permeability to chloride and water intrusion.
2. Extremely high electrical resistivity.
3. Increased abrasion resistance on floors,highways,marin structures.
4. Superior resistance to chemical attack from chlorides,acids,sulfates.
Grey Densified and undensified Silica fume for cement
Analysis | Result | |||||||
SF85 | SF88 | SF90 | SF92 | SF94 | SF96 | SF97 | SF98 | |
SiO2(%)(min.) | 85.05 | 88.05 | 99.05 | 92.05 | 94.05 | 96.05 | 97.5 | 98.5 |
Fe2O3 (%) | 0.78 | 0.44 | 0.21 | 0.25 | 0.20 | 0.20 | 0.10 | 0.20 |
Al2O3 (%) | 0.29 | 0.20 | 0.21 | 0.25 | 0.20 | 0.20 | 0.20 | 0.20 |
CaO (%) | 0.39 | 0.30 | 0.36 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
K2O+ Na2O (%) | 0.29 | 0.24 | 0.22 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
Moisture (%) | 3.05 | 2.55 | 2.05 | 2.05 | 1.85 | 1.25 | 1.00 | 1.00 |
Loss on Ignition (L.O.I) @975OC (%) | ||||||||
- Q: What are the refractory stocks?
- The company produces energy saving, environmental protection type functional refractory materials and unshaped refractory materials. It is the main functional refractory material and unshaped refractory production enterprise in china. Company's products to new green high-quality refractory materials, energy saving and environmental protection as the leading iron and steel industry technological progress and improve the level of technology and equipment to adapt to meet the "development policy" refractories industry to develop industry, has a strong competitive advantage in the market. The main domestic refractory products company can only use part of the products of refractory materials production of iron and steel industry, iron and steel industry production and Pu resistant can be used in the vast majority of refractory products, iron and steel industry with the most complete refractory products. Therefore, the future development of the company is closely related to the prosperity of the iron and steel industry. More than more than 2000 enterprises in refractory industry, the company is the largest supplier of refractory materials in China, and the market share is less than 2%. Iron and steel group integration will inevitably lead to the overall contract cost control, supplier refractory decreases by seventy or eighty to two or three. The company's overall contract accounted for 37% (Montreal 68%), the overall contract increase will enhance the market share and profitability. China's urbanization, industrialization and investment in the 4 trillion infrastructure will stimulate sustained and rapid growth of China's steel demand. Therefore, in the long run, the prospects for the development of refractories for iron and steel are broad.
- Q: What are the materials for refractory materials? What are their names?
- Neutral refractory is mainly composed of alumina, chromium oxide or carbon. Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick by using chromium oxide as the main component of the corrosion resistance of steel slag is good, but the poor heat shock resistance, high load low deformation temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, heat vibration performance, high strength, corrosion resistance to acid and salt, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry.
- Q: Physical and chemical indicators of various refractory.
- There are too many of them.
- Q: I want to know what is the slim in the refractory bricks
- Where are you from, I can introduce to you
- Q: Why do magnesium oxide refractory bricks can be made into refractories?
- Nature: It is loose white powder and tasteless. When exposed to the air, it is easy to absorb moisture and carbon dioxide. It is dissolved in acid and ammonium salt and insoluble in water and ethanol, with the melting point of 2800 and the boiling point of 3600. The magnesium oxide has high fire-resistance insulation properties, with high melting point . It can be said to be non-combustible materials.
- Q: who knows the fire resistant level of fireproof gypsum board ?
- combustion performance of building decoration materials should be divided into four levels: A level, non-flammable; Class B1, flame retardant; B2 level, flammability; B3 level, flammable. Choose the materials above B1level. Thank you
- Q: What are the types of steel refractory materials
- Large steel ladle usually made with magnesia carbon brick, of course, it contains a intermediate layer (such as good a little high alumina castable), heat insulation layer and heat preservative materials Alumina-magnesia castable is OK for small steel ladle
- Q: What's the fire resistance rating of the exterior fire?retardant?coating?
- First of all, fire retardant coating has no class distinctions. Buildings fire resistance rating is generally classified as follows: I grade fire resistance, II grade fire resistance, III grade fire resistance, IIII grade fire resistance. Buildings with I grade and II grade fire resistance are much common. According to the coating thickness, exterior fire-resistant coating for steel structure can be classified as follows: 1. Exterior thin fire-resistant coating for steel structure, 2. Exterior ultra-thin fire-resistant coating for steel structure, 3. Exterior thick fire-resistant coating for steel structure.
- Q: What's the A grade fireproofing material?
- 1. fire-proof plate; 2. fireproof wooden door; 3. fireproof wooden window frame; 4. fire resisting shutter; 5. fireproof and mothproof wood; 6. fireproof glove compartment; 8. fire?retardant?coating; 9. fire-proof?sealing?material.
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Raw Materials for Refractory - Silicon Fume SF-90
- Ref Price:
-
- Loading Port:
- Tianjin
- 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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