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[China]
Trade Verify
Address: 10th & 11th Floors, No.6 Building, Central China Electronic Commerce Port, Daxue Road, Erqi District, ZhengZhou City, Henan Province, China
Contact name:Pika
Zhengzhou Rongsheng Refractory Co., Ltd. |
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Verified Suppliers
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Light Weight Insulation Mllite JM28 Brick for Industrial Furnace
Why Choose us?
1.Features
JM series insulating bricks gains typical advantages including low thermal conductivity, fine thermal shock resistance, low heat containment and low iron content, meanwhile, the outstanding mechanical flexibility, coupled with high insulating efficiency expands the extensive applications of IFB in a variety of industrial markets.
2.Specification
| Description | JM 23 | JM26 | JM28 | JM 30 |
| Chemical Composition (%) | ||||
| Al2O3 | 42 | 56 | 67 | 73 |
| SiO2 | 55 | 41 | 30 | 24 |
| Fe2O3 | ≤1 | ≤0.8 | ≤0.7 | ≤0.7 |
| K2O + Na2O | 1.1 | 1.7 | 1.7 | 1.7 |
| Physical Properties | ||||
| Density(kg/m3) | 600 | 800 | 900 | 1000 |
| Classification Temperature(°F) | 2300 | 2600 | 2800 | 3000 |
| Cold Crushing Strength(MPa) | 1.2 | 1.8 | 2.5 | 3.3 |
| Modulus of Rupture(MPa) | 1.0 | 1.7 | 2.3 | 3.1 |
| Permanent Linear Change(%) x 24hrs | ≤0.6 | ≤0.6 | ≤0.8 | ≤0.9 |
| Thermal Expansion(%)1800°F | 0.5 | 0.52 | 0.52 | 0.53 |
| Thermal Conductivity(W/m.k) | ||||
| 660°F | 0.18 | 0.25 | 0.33 | 0.38 |
| 750°F | 0.20 | 0.29 | 0.35 | 0.40 |
| 1100°F | 0.24 | 0.32 | 0.37 | 0.42 |
3. Application industry
Refractory materials in the iron and steel, nonferrous metals, petrochemical, building materials, machinery, electricity, light industry and other basic industries and aerospace and ships, missiles and other military fields have a wide range of applications. The main application areas of refractories and their respective proportions in the steel industry accounted for the largest proportion. Followed by cement, ceramics, glass, chemical, nonferrous metals. The following figure is about refractory materials in the steel industry.
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Iron and steel industry |
4.Our company
Zhengzhou Rongsheng Kiln Refractory Co., Ltd, located in the beautiful Xinmi CIty,Henan Province with rich refractory materials. Established in the early 90s of twenty century, with continuous innovation and development, now we are a comprehensive enterprise producing refractory in metallurgy, electirc power, building materials, chemical industry, glass, non-ferrous metals, ect. There are more than 180 staffs, including 20 professional technicians. We have 3 automatic production lines for shaped, unshaped and insulating refractory materials.
