Specifications
Excellent abrasive resistance, high crushing strength, good corrosion resistance, oxidation resistance
Packaging Details: Wooden pallet,foam board separated, plastic shrink film protected outside. the size of wooden pallet is according to your requirements.
Delivery Detail: Based on order and meet your satisfication
Physical and chemical index
| Properties |
Typical Value |
Guarantee Value |
Test Method |
| SiC, % |
75 |
≥ 72 |
ISO21068 |
| Si3N4+Si2ON2 , % |
23 |
≥ 19 |
(GB/T16555) |
| Fe2O3 , % |
0.3 |
≤0.6 |
| Bulk Density, g/cm3 |
2.73 |
≥2.65 |
ISO5017 |
| Apparent Porosity , % |
14 |
≤16.5 |
ISO5017 |
| Cold Modulus of Rupture,MPa |
50 |
≥40 |
ISO10059 |
| Cold Crushing Strength,MPa |
200 |
≥160 |
ISO10059 |
| Linear Expansion Coeficient(20-1000℃) |
4.5×10-5 |
≤ 4.8×10-5 |
DIN51045 |
| Thermal Shock Resistance,Cycles |
≥50 |
≥30 |
DIN-EN993-15 |
| Thermal Conductivity,W/m·k 1000℃ |
18 |
≥16 |
DIN-51036 |
| Oxidation Resistance(Volume Change),% |
0.7 |
≤ 1.2 |
ASTM C863
(Steamexposure:900℃×500h) |
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♥ Research of application basis, new technical process and new technology, development of new product, and technical consultation.
♥ Optimum solution and product supply of refractories for high temperature industries, such as iron&steel, non-ferrous, petrochemical and building materials.
♥ Engineering design, contract and consult for refractories, and civil architecture design.
♥ Research,development, manufacture and sale of superhard materials.
♥ R&D, manufacture and sale of special packing materials for export.
♥ Inspection,supervision and arbitration of refractories.
♥ Consultation and services in refractories information.
♥ Training and cultivation of high-level talents in refractories profession.
Sinosteel Luoyang Institude of Refractories Research(LIRR), a wholly owned subsidiary of Sinosteel Corporation, is a high-tech enterprise that has passed the ISO9001 international quality system certification.With over 50 years' development,LIRR has become a base of research, manufacture and services with significant influences at home and abroad.It has undertaken more than 260 research projects of the state, ministerial or provincial level and made over 550 achievements in the research since its setup 50 years ago.
The National Engineering Research Center for Refractories, the National Quality Inspection & Supervision Center for Refractories and State Key Laboratory of Advanced Refractories are all set in LIRR.
1. Welcome to our institude:Sinosteel Luoyang institude of Refractories research Co.,Ltd.

2.Customers visit LIRR



3. The National Engineering Research Center for Refractories and main equipment show of LIRR


4. On-site Production


5.We attend the exhibition


6. Certificate and honor


7. We invite you to Luoyang
This is just a small part of our company, we warmly invite you to luoyang (nine dynasties in Chinese history, wu zetian and peony), to come to LIRR and to feel our strength .

1.Company Spirit: United, Realistic,Efficient,Enterprising
2.Operation Philosophy: Cooperation,Friendship,Win-Win,Development
3.Management Philosophy:Strict,Canonical,Efficient,Meticulous
4.Company Mission:Innovate, develop sustainably abd serve the high-temperature indunstry
5.Strategic target:Emphasizing on technical innovation, surpported by industrialization of high-tech achievements, strengthening sustainable development ability,LIRR will be brought up into a base integrated with research ,manufacture and service, which possesses significant influence in the world high temperature industry
6.Our engineers ,strong R&D team, project designers will certainly supply with perfect solution for your difficult.You will obtain the maxmium satisfication.
7.We are the most powerful enterprise in refractory industry in China.Just be confidant to hand-in-hand with us.We will make you stronger.
8.Any more questions?
Contact person: Jennifer
Mail:jenny(at)lirrc.com
M.P. : (0086) 15036995914