Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:1 m.t.
Supply Capability:1000000 m.t./month
Mullite refractry brick with features as following:
1.raw material: refractory brick of high quality bauxite clinker
2.main maneral:mullite
3.performance: this lind of refractory brick has good high temperature and chemical erosion resistance
4.certificate:ISO9001-2000
5.function:refractory used in each position of linings of blast furnace and other industry
6.physical and chemical performance:
Items | Mullite brick M72 | Mullite corundum brick M80 | Special mullite corundum brick SM80 |
Encoding | M72 | M80 | SM80 |
Al2o3 % | ≥72 | ≥78 | ≥80 |
Sio2 % | -- | -- | ≤19 |
Fe2o3 % | ≤0.8 | ≤1.0 | ≤0.5 |
Bulk density g/cm3 | ≥2.55 | ≥2.65 | ≥2.9 |
Apparent porosity % | ≤17 | ≤18 | ≤19 |
Cold crushing strength mpa | ≥80 | ≥80 | 5 |
Thermal shock resistance | Excellent | Excellent | Very good |
Softening under load | --- | ≤1700 | 1700 |
Thermalexpansion % | -- | 0.6 | 0.6
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FAQ
Q1: How do you control the products quality?
A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.
From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis
Q5: Can you give me a brief introduction of the application of your products?
A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.
