Item | Data | |
Brand-1 | Brand-2 | |
PN | GN | |
Al2O3, % | ≥35 | ≥33 |
SiC+C, % | ≥30 | ≥32 |
Apparent Porosity, 1450ºC×3h, % | ≤33 | ≤32 |
Bulk Density,1450ºC×3h, g/cm3 | ≥1.8 | ≥1.9 |
Cold Crushing Strength, 1450ºC×3h, Mpa | ≥4 | ≥5 |
Bending Strength, 1450ºC×3h, Mpa | ≥2 | ≥2 |
Linear Variation, 1450ºC×3h, % | ±2.0 | ±1.5 |
Marshall Value, Mpa* | Test Data |




Open easily
Shoot out by taphole gun smooth
Protect taphole depth stably
Good plastic and sintering
Good volume stability at high temperature
Resistance to erosion & washing
erosion & washing

YRT WYRENTECO Company Information
Enterprise spirit: Seeing is believing
Business Philosophy: The principle of fairness spirit of contract.
Quality polity: Stand in the user's position to meet user's needs.
YRT WYRENTECO company is located in Qingshan District, Wuhan City, Hubei Province, with production plants in Wuhan, Hubei Province, Haicheng City, Liaoning Province and Xinmi City, Henan Province. Our company has more than 600 employees, registered capital of 116.7 million yuan, covers total area of 170 thousand square meters. Our company was founded in 1996, engages in refractory materials, chemical materials, comprehensive utilization of resources, is the professional enterprises and leading enterprises of refractory material. In 2014 the company was identified as the provincial engineering technology research center; In 2015, the company was identified as the only magnesite comprehensive utilization demonstration project enterprise by the Ministry of Industry and Information Technology; In 2016 the company was identified as high-tech enterprises; In similar enterprises, our company has the most complete industry chain, is one of the most competitive enterprises.



- Why choose us?
We had been in this line for more than 30 years.
Our products have been exported to Asia Southeast America North customer recognition.
We offer competitive prices.
We can provide customers with a reliable and efficient service. - Do we supply samples?
Yes, we would like to offer any free sample you required. - What is MOQ?
MOQ may vary by customer's special requirement, we try our best to meet your business quirement. - Can the clients visit your factory?
Of course, we accept size and color customized. - Can the clients visit your factory?
Of course, welcome to visit our factory any time. - Which payment terms do you accept?
L/C or T/T - After an order is placed, when to deliver?
10~30days. - How to ensure the quality of shipping products?
- All products must be through strict inspection before delivery.
We not only have to ensure the quality in business but also the credibility in our market. - Which certifications do your company have?
ISO9001 and Test Report, we could provide other necessary certifications if required.
