This material is aluminum oxide 90% content porous ceramics which has 1μm pore. This is the solution to the customer who is looking forward to use thicker and bigger size R-200. R-203 is the upgraded version based on the R-200 porous ceramics. (Picture sample size 130×240×10t）
Color：White
Bulk density：1.6～1.7
Porosity：51%
Water absorption：30%
Preferred Max. Temperature：1100℃
