| Customization: | Available |
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| Material: | Low&Ultra-Low Cement Castable |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Low Cement Castable
Low-cement castables refer to castables with a lower amount of cement. The cement dosage of refractory cement castables is generally 15% to 20%, and the cement dosage of low cement castables is about 5%, and some are even reduced to 1% to 2%. The purpose of reducing the amount of cement is to improve the refractory properties of the castable.
Low Cement Castable Advantages
Low-cement castable is a high-tech refractory developed on ordinary castables using rheological principles, the closest packing theory and ultra-fine powder technology. It has the characteristics of low porosity, small pore size, large density, good volume stability, high strength and small water addition, and overcomes the characteristics of ordinary castables that the strength decreases significantly at 800 to 1200 ºC, and increases with the temperature. And increase, so that the thermal shock resistance of the furnace body can be more than doubled.
| low cement refactory castable | DN | DGL-1 | DGL-2 | DG | |
| Chemical composition(%) | AL2o3 | 45 | 70 | 75 | 90 |
| CaO | 1.5~2 | 1.5 | 1.5 | 1.2 | |
| Bulk density(g/cm3) | 110ºC×24h | 2.4 | 2.65 | 2.7 | 3.15 |
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1350ºC×3h (1500ºC×3h) |
2.35 | 2.6 | 2.65 | -3.1 | |
| Flexural strength(Mpa) | 110ºC×24h | 5 | 6 | 6 | 8 |
| 1350ºC×3h (1500ºC×3h) |
10 | 10 | 11 | 13 | |
| Compressive strength(Mpa) | 110ºC×24h | 30 | 30 | 35 | 45 |
| 1350ºC×3h (1500ºC×3h) |
60 | 60 | 65 | -80 | |
| Linear change rate(%) 1350ºC×3h(1500ºC×3h) |
±5 | ±5 | ±5 | ±5 | |
| Refractoriness(ºC) | 1710 | 1790 | >1790 | >1790 | |
| Common temperature (ºC) | 1450 | 1550 | 1550 | 1650 | |
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.
Unshaped Refractory Factory Show
Rongsheng Refractory has established complete quality system and conducted quality control through the whole staff and process that from raw materials, production, check and various parts strictly according to ISO9001 standard.Annual production capacity is up to 60000 tons. There are light and heavy weight materials production lines and all kinds of complete production, testing and check equipment, of which there are 10 series shaped press machine that from 400 tons to 1000 tons and two hyperthermia tunnel kilns whose length are 148m and 118m.
Professional Sales and After-Sales Service Team
Rongsheng Refractory Materials has a professional sales and after-sales service team to provide customers with a full range of services such as product application, construction and installation, and operating technology training. We have now established cooperative relationships with a number of scientific research institutions, and our products have been sold to 110 countries around the world. Countries, we have professional technicians to provide technical support and customized services for customers.
Product Certificates
Rongsheng holds the third-level qualification certificate of metallurgical general contracting for furnace construction, the second-level anti-corrosion insulation qualification certificate, the quality management system ISO 9001 certification, 14001 certification, 45001 certification, 18001 certification and AAA-level credit enterprise certification. 25 Years of experience, more than 2,000 furnace cases around the world, and a team that can execute more than 20 furnace construction projects at the same time.
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