Company Profile
CNBM INTERNATIONAL CORPORATION
We are a primary subsidiary of China National Building Material Group Co., Ltd.
CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2019).
Refractory Technology
Our plant was one of the research institutes on refractory materials in CNBM. It was set up in 2001.
Taking the advantages of combining research,process,marketing and technical service,CNBM supply not only first-class refractory materials but also supply distinctive technical services.
CNBM has been dedicated to expand grow space via resource integration and product diversification.5 subsidiaries has been set up by June,2010.
Refractory Plants
·Our annual output is 5000,000 tons per year.
·Our plant are ISO 9001:2008 certificated
·The products cover the refractory area of steel-making, cement, non-ferrous, glass, ceramic and others.
Picture of Magnesia Carbon Brick
Our lab
Feature of Magnesia Carbon Brick
Excellent resistance in slag abrasion
Higher temperate resistant with good refractoriness
Lower creep in high temp.
Good thermal shock resistance performance
Lower apparent prosity
not easily wet with slag
Specifications of Magnesia Carbon Brick
MgO and carbon content
Widely used throughout metallurgical industry
Physical And Chemical Indicators For Magnesia Carbon Brick
| Item |
MZ-97A |
MZ-97B |
MZ-95A |
MZ95B |
MZ-93 |
MZ-91 |
MZ-89 |
DMZ98 |
DMZ97 |
DMZ96 |
| Density(g/cm3)≥ |
2.96 |
2.96 |
2.94 |
2.94 |
2.94 |
850 |
900 |
3.1 |
3.1 |
3 |
Cold Crushing Strength
(Mpa)≥ |
60 |
60 |
60 |
60 |
60 |
60 |
50 |
90 |
90 |
90 |
| Reheating Linear Change (%) |
1650ºC x 2h
0~ -0.2 |
1650ºC x 2h
0~ -0.3 |
1650ºC x 2h
0~ -0.4 |
1650ºC x 2h
0~ -0.6 |
- |
- |
- |
| Refractoriness Under Load(ºC)≥ |
1700 |
1700 |
1650 |
1650 |
1620 |
1560 |
1550 |
1700 |
1700 |
1700 |
| Apparent Porosity (%)≤ |
16 |
18 |
16 |
18 |
18 |
18 |
20 |
14 |
14 |
15 |
| MgO(%) |
97.0 |
96.5 |
95.0 |
94.5 |
93.0 |
91.0 |
89.0 |
97.7 |
97.1 |
96.3 |
| SiO2(%) |
1.0 |
2.0 |
2.0 |
2.0 |
3.5 |
- |
- |
0.58 |
0.97 |
1.20 |
| CaO(%) |
- |
- |
2.0 |
2.0 |
2.0 |
3.0 |
3.0 |
0.63 |
0.97 |
1.30 |
| Application |
Kiln Linning in Iron and Steel, Copper, Lead, Tin and Zinc
Industries |
The Tap Hole of Steel
Furnace; Tap Hole and
Slag Line in Non-Ferrous
Industry |
Our Services
- Free samples are available by freight collect;
- Strict QC & Fast delivery
- High quality goods, Perfect Pre-sales and after-sales service.
- CNBM will update you any production process after placing order.
- We have special after-sales team to solve your problem during using our products.
- Any question will be get our feedback in the first time.
Packaging & Shipping
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton
For example, Standard size of Fireclay brick : 230X114X65mm
Shipping : 384PCS/plt X 18plts in one 20 feet container;
Proprietary Technology & Patented Products
Refractory technology
All process are conform to ISO9001 quality control systems
(1)The test of raw materials
★For all raw materials, the purchase department should give the test report to the quality supervision department.
(2)The control of production
★Each batch products should be tested
★The quality supervision department should record all test result.
(3)Test Before Production
★Before packing, the quality supervision department should test the chemical content and physical
★Only quality products can be delivery.
★The delivery department should check the package, quantity, name, code, production date, etc.
(4)Quality Traceability Analysis
★Track the products after using and get the feedback of performance.
If customer required, we will give the customer technical solutions and also improve the products.
Damage Mechanism Analysis and Improvement
★ For the maintenance project, CNBM will check the damage condition of the refractory materials in the furnace carefully.
★And then CNBM will give the damage mechanism analysis report to the customer.And CNBM also will provide products improvement solutions to extend the products' service life.
Technical Solution& Construction
★Optimization solutions of the original design to the customer.
★Consultation Service of Refractories Technology
★Technical Staff Training in Refractories Technology
★Specialized Design and Refractories Selection
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings.
Certifications
Audited Supplier 
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