Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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Mullite insulation bricks are made from good quality and superpure raw materials, with strictly classified fillings
according to their grades. These fillings can form a uniform pore structure after burnt during the process of
manufacture. Each grade of products has unique design to meet different thermal, physical and chemical demands.
Mullite insulation bricks refractory material can be used in linings or heat-insulating materials of the industries,
such as, ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc.
MD serises
| Brands | AL2O3%≥ | FE2O3≤ | BD G/CM3≤ | CCS MPA≥ | PLC ℃X H≤1.0% | TCS W/M.K≤ | ||
| 400℃ | 600℃ | 900℃ | ||||||
| MD-0.5 | 45 | 0.8 | 0.5 | 2 | 1350×12 | 0.18 | 0.22 | 0.26 |
| MD-0.6 | 55 | 0.8 | 0.6 | 2.5 | 1350×12 | 0.26 | 0.3 | 0.32 |
| MD-0.8 | 65 | 0.7 | 0.8 | 3 | 1450×12 | 0.28 | 0.32 | 0.36 |
| MD-1.0 | 72 | 0.6 | 1 | 4 | 1450×12 | 0.3 | 0.35 | 0.4 |
JM serises
| Item | JM23 | JM26 | JM28 | JM30 |
| AL2O3(%) | 38-44 | 50-58 | 65-70 | 70-73 |
| Fe2O3(%) | 1 | 0.9 | 0.8 | 0.7 |
| Classification Temperature (℃) | 1350 | 1430 | 1540 | 1600 |
| Bulk Density (g/cm3) | 0.8-1 | 0.8-1 | 0.8-1 | 0.8-1 |
| Reheating Linear Change (%) | 1250℃ | 1400℃ | 1500℃ | 1550℃ |
| CT-30 ℃X 8H | -0.5 | -0.5 | -0.5 | -0.5 |
| Cold Crushing Strength (Mpa) | 3.0-4.5 | 3.0-4.5 | 3.0-4.5 | 3.0-4.5 |
| Modulus of Rupture (Mpa) | 1.5 | 1.7 | 1.8 | 2 |
| Thermal conductivity400℃(W/m.k) | 0.25 | 0.27 | 0.32 | 0.41 |
| Thermal Expansion1000℃(%) | 0.5 | 0.7 | 0.8 | 0.9 |
B C serises
| Item | B-1 | C-1 | C-2 |
| AL2O3(%) | 25-30 | 35-40 | 45-50 |
| Fe2O3(%) | 2 | 1 | 1 |
| Classification Temperature (℃) | 1000 | 1300 | 1400 |
| Bulk Density (g/cm3) | 0.8-1 | 0.8-1 | 0.8-1 |
| Cold Crushing Strength (Mpa) | 2-2.5 | 2.5-3.5 | 3.0-4.5 |
| Thermal conductivity400℃(W/m.k) | 0.17 | 0.23 | 0.25 |
Process Quality Control:
Starting from the raw material into factory, Every production process of our product should through strict quality
control, In addition to rigorous process control, our quality control team inspects the output of each process to
ensure material quality and consistency. We do our best to supply the products with best quality to satisfy our
customers.
Raw Material Selection:
To ensure the quality of our raw materials, we only purchase our raw materials from our long-term trusted suppliers. With every purchase, the raw material must be passed 2 times inspecition, 1 time at our supplier’s site. a second inspection on the batch after the material arrived to our factory. Each time raw materials enter our facility, they are inspected again prior to being accepted.
1. Scale: Four factories and one International trade company
2. History: Specialized in manufacturing refractory products about 20 years
3. capacity: 6000 ton/month
4. Process equipment: international advanced automatic batching system and brick machinery equipment.
5. Certification: IS0 certificate,LIRR test, BV and TUV certificate is allowable
6. Main products: Refractory brick; raw refractory material, refractory brick, refractory castable, etc.
7.Trading nation: More than 20 countries, such as Thailand, Indonesia, Pakistan, Saudi Arabia, South Africa, Turkey, Iran, Iraq and so on.
1.Strong packing will protect the goods from any possible damage during transit.
2.Solid packing and overall stuffing can prevent the cases from vibration and jarring.
3.We must take necessary precaution that the packing can protect goods from pilferage or rain.
4.We can confirm that we take every possible precaution to ensure that our products reach our customers all over the world in prime conditon.
1.ISO 9001 Certificate.
2.Construction instructions and designing services are provided by our professional technicists.
3.Inspectors make sure the semi-finished product standard in process and finished product perfect.
4.Customize size are welcome,OEM,ODM acceptable.
5.Professional chemical analysts check all the material before production.
6.Best after-sale-service.