Low cement castable for sale at low cost in Rongsheng Kiln Refractory is a type of refractory castable cement. It have 3~8% cement content and have variety properties of high strength, low porosity, high density, low abrasion, thermal shock resistance and erosion resistance. Low cement castable refractory material is mainly used in metallurgy, electricity, petroleum, chemical industry and all kinds of silicate kiln.
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Description for Low Cement Castable
Low cement castable for sale is calcium aluminate cement binding refractory castable and have less than 2.5% CaO content. Base materials adopt ultrafine powder that have the same or similar chemical component with main material and have cohesive bonding function instead of part or most calcium aluminate cement. This kind of castable belongs to concomitant hydration and cohesive bonding castable.
- Castable cement has over 10~30% cement content.
- Low cement castable is just content 3~8% cement.
- Ultra low cement castable just has 1% cement content.
- Non-cement is castable refractory without cement content.
Features of Low Cement Castable
Low cement castables have 3~8% cement content and 1~3% CaO content.
- High refractoriness, high temperature strength and slag resistance.
- Low porosity & High bulk density.
- Low water content.
- High strength.
- Low linear change rate.
- High thermostability.
High alumina low cement castable is developed based on refractory castable bonding clay, which has the varieties of low cement castable, ultra low cement castableb, non-cement or submicron powder and soild binder.
- High density.
- Low porosity.
- High strength.
- Low abrasion.
- Thermal shock resistance.
- Resistance to erosion.
- Good using effect.
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Application of Low Cement Castable
Low cement and ultra low cement castable’s service temperature is higher than the same materials common refractory castable.
Some components of external refining device, ladle cover of external refining ladle, furnace top lining of electric furnace, soaking pit lining of heating furnace, furnace lining of annealing furnace, tundish lining, tapping spout, high temperature nozzle and cover of iron runner and ladle lining.
- Low cement castable for sale is used for linings of iron runner for blast furnace, iron notch for iron-melting furnace, pretreatment of hot metal monolithic powder gun.
- Clay and high alumina low cement castable can be used for all kinds of thermal treatment furnace of heating furnace and soaking pit and rotary kiln linings.
- Mullite low cement catable can be used for linings of high temperature nozzle and water-cooled tube binding lings of heating furnace.
- Corundum and Zirconia-corundum low cement castable refractory material can be used for pats’ linings of molten steel furnace refining device.
Main physicochemical indexes of Low Cement Castable
| Item/Index | M | A1 | A2 | |
| Chemical component | 65 | 80 | 90 | |
| Aggregate | Mullite | Corundum | Corundum | |
| Maximum service temperature | 1600 | 1700 | 1800 | |
| Refractorinee | 1750 | 1790 | 1790 | |
| Bulk density | 2.6 | 2.8 | 3.0 | |
| Linear change after sintered | 1000℃ | -0.2 | -0.2 | -0.2 |
| 1300℃ | ±0.5 | ±0.5 | ±0.5 | |
| Pressure strength after sintered | 110*24h | 30 | 30 | 30 |
| 1000*3h | 50 | 50 | 50 | |
| 1400*3h | 70 | 80 | 80 | |
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Application of Ultrahigh Strength Low cement Castable
Ultrahigh Strength Low cement Castable is used for all kinds of industrial kiln linings and badly service environment position with materials and slag scouring and chemical nature’s erosion.
- Steel rolling heating furnace
Furnace wall, furnace top, furnace bottom, burner block, mounting plate, pouring and prefabricate. - Furnace linings
Smelting furnace, blast furnace and its accessory equipment, continuous casting tundish, aluminium cell and aluminum holding furnace.
Chemical equipment linings.
Service of Low Cement Castable
- High refractoriness
Prefer to high quality raw materials and with the excellent performance on high temperature property. - High strength
Resistance to shock and scour, adapt to all kinds of service environment. - Usage
Add water in proportion, stir to mortar that molded through shaking with machine. - Storage
25kg/bag, sealed package and stored in the normal temperature for 3 months
Buy low cement castables for sale from Rongsheng Refractory to enjoy high quality refractory products with lower price of low cement castable refractory materials. Rongsheng always cooperates with trusted low cement castables manufacturer trying to service customers with the best quality and lower cost.
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