refractory brick

refractory brick
1. high alumina brick
2.endure high pressure and temperature
3,Anti acidity,strongly resistance Alkaline

 

1,refractory brick: high alumina brick

   

size:  230×113/76×65  mm    230x113x60 mm

 

 2,Physical Characteristic

 

item	LZ-75
Al2O3  %	≥75
Refractoriness°C	≥1770
Softening temp under 0.2 MPa load°C	≥1520
Linear change of heating 1500°C, 2h	+0.1-0.4  (1500°C  ×24h)
Porosity,  %	≤23
Pressure resistance at normal temp MPa	≥53.9

 Features:

   1) resistance high temperature  

   2) endure high pressure

   3)we could do accordding to your requirements includding the size and charactoristic.

 

Usaging:Widely used in metallurgy industry and other furnaces