Refractory High alumina brick High alumina brick 55%

High Alumina Brick ISO

High alumina brick, High compressive strength, High spalling resistance, ISO certified manufacturer,more than 15 year experience.

Description

We are an ISO certified manufacturer of high alumina brick in China's refractory base. With more than 15 years experience in refractory products production, we will offer you the most suitable solution for your refracotry needs and technical assistance.
Due to stable quality , competitive price and excellent service, our refractory products are the designated products for many large domestic projects and exported to many foreign clients.
High alumina brick specification table.

Item:		LZ-85	LZ-80	LZ-75	LZ-65	LZ-55	LZ-48
Al2O3		≥85	≥80	≥75	≥65	≥55	≥48
Apparent porosity		≤23	≤22	≤23	≤23	≤22	≤22
Cold crushing strength		≥55	≥55	≥50	≥45	≥40	≥35
Refractoriness under loadin 0.2MPa		≥1550	≥1530	≥1520	≥1500	≥1450	≥1420
Permanent linear change	1500×2h	-0.4~0.1	-0.4~0.1	0.4~0.1	-0.4~0.1	0.4~0.1
Permanent linear change	1450×2h						-0.4~0.1