high alumina brick

refractory brick 1. high alumina brick 2.endure high pressure and temperature

  

1,refractory brick: high alumina brick: T20

   

   size:  230×113×65/45  mm    weight :3.07kg

2, Physical Charactoristic

item	T20
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

   

3,Features:

  1. )resistance high temperature  

   2. )endure high pressure

high alumina brick