Properties |
HCR 18 |
HCR.16 |
LCR.14 |
Max. Limited Temp. oC |
1800 |
1600 |
1400 |
Material Required for Estimating (kg/m3) |
2850 |
2200 |
1850 |
Chemical AL2O3 |
80 |
53 |
36 |
Analysis SiO2 |
– |
40 |
54 |
Permanent 110oC X 3hrs |
-0,03 |
-0,06 |
-0,12 |
Linier 1350oC X 3hrs |
-0,1 |
-0,1 |
-0,3 |
Change 1500oC X 3hrs |
-0,2 |
– |
– |
Cold Crushing Strength (kg/cm2) |
|
|
|
110oC X 24hrs |
350-400 |
150-250 |
100-200 |
1000oC X 3hrs |
300-400 |
100-200 |
100-200 |
1350oC X 3hrs |
350-400 |
150-250 |
1250oC |
1500oC X 3hrs |
450-550 |
– |
100-200 |
Bending strength (Kg/cm2) |
|
|
|
110oC X 24hrs |
60-100 |
25-65 |
20-60 |
1000oC X 3hrs |
60-90 |
26-60 |
20-70 |
1350oC X 3hrs |
60-100 |
25-65 |
1250oC |
1500oC X 3hrs |
80-120 |
– |
25-65 |
Thermal Conductivity (Kcal/m,h,C) |
|
|
|
260oC |
0,93 |
0,67 |
0,52 |
540oC |
0,99 |
0,68 |
0,59 |
800oC |
1,04 |
– |
0,63 |
Water required for casting (%) |
8 |
10 |
13Castable |