Upper nozzle

Product Details

LMM GROUP self-developed formula of Upper nozzle products adopts plate-like corundum, white corundum, silicon carbide, metal aluminum, high-quality magnesia and other main raw materials, selects scaly graphite carbon source with good oxidation resistance, and adds a small amount of antioxidant to improve oxidation resistance. Performance, with phenolic resin with high solid content and high residual carbon as binder. After high-pressure molding, it can be dipped according to the conditions of use.

It has the characteristics of good thermal shock resistance, high temperature strength, corrosion resistance and erosion resistance; long service life and a wide range of steel types.


MgO 28 5 5
Al2O3 83 76 90 85 67 96.5 90 90
CaO 1.5 1.5 1.5
C 8 8 4.5 5 4.5
Bulk Density (g/cm3) 3.04 2.95 3.03 3 3.05 3.2 3.16 3.16
Apparent porosity(%) 9 5 7 6 4 12 12 12



The company strictly according to modern enterprise management requirements set up a perfectquality assurance system, and passed the ISO9001:2008 quality management system certification,ISO14001:2004 environmental management system certification, OHSAS18001:1999 occupationalhealth and safety management system certification.

Service Display

recommend suitable products according to the actual working conditions and needs of customers.It can also bedeveloped and designed according to needs, and customized services can be provided. During the epidemic, provide remote detection technical support

Strict quality control:
From raw materials, to the production process and befor eleaving the factory, all performance indicators arestrictly tested, and the professional QC team controls according to the process.

After-sales service:
Quality assurance and Resolution of any issues that arise

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 


Dalian Office:
Building 8, Yintian South Park, Yida Chuntian, Ganjingzi District, Dalian 116000, China 
Shenyang Office:
Room 12-12 A4 Building YuZhou Square, Huannan Disruct, Shenyang City China
Tel: +86 84174804

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