Product Parameters
| Item | CN-1 | CN-2 | CN-3 | CN-4 | CN-5 | |
| Chemical composition（%） | SiO2>= | 95 | 96 | 96 | 97 | 90 |
| Al2O3<= | 0.7 | 0.6 | 0.6 | 0.5 | 0.4 | |
| Fe2O3<= | 0.5 | 0.5 | 0.4 | 0.4 | 0.8 | |
| Cold crushing strength（Mpa) | 1300℃×3hAfter firing at | 15 | 15 | 10 | 10 | 25 |
| Apparent porosity （％） | 1300℃×3hAfter firing at | 26 | 26 | 25 | 25 | 23 |
| Linear changing after burnt（％） | 1300℃×3hAfter firing at | 0～+1.6 | 0～+1.2 | 0～+1.0 | ||
| Bulk density （g/cm3） | 1300℃×3hAfter firing at | 2.0 | 2.0 | 2.1 | 2.1 | 2.2 |
| Refractoriness(℃) | 1630 | 1650 | 1650 | 1680 | — | |
| Max. grain size of aggregate(mm) | 5 | 4.5 | 4.5 | 4.2 | 4.2 | |
| Amount for construction(kg/m3) | 2300 | 2300 | 2300 | 2400 | 2400 | |
Product detail
Silica Ramming Mass
Main Composition:SiO2
Application:Smelting bronze
Capacity:3000 tons per month
Raw Material:Quartz sand
Package:Export ton bag
Product Introduction
Silica ramming mass is made by mixing high-purity microcrystalline quartz sand, powder, high-temperature sintering agent and mineralizer. The silica ramming mass has a short oven time, has good volume stability, thermal shock stability and high high temperature strength.
Product Advantages
Silica Ramming Mass Features
1. Convenient construction, mechanized operation and improved working efficiency
2. Compact sintering, erosion resistance, and long service life
3. Do not pollute the molten steel, and meet the needs of clean steel continuous casting
4. The working layer does not crack during use, and it is easy to turn over the package
Silica Ramming Mass Advantages
1. Convenient construction and time saving
2. Quick baking can improve the operating rate of furnace lining
3. The constructed lining is easy to be repaired when the lining is removed
Product Applications
Packaging
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