|
SUPPORTS TECHNICAL
SHEET |
|
MIXTURE |
MATERIALS |
COMPONENTS |
|
WEIGHT/
VOLUME |
OSTENSIBLE
POROSITY |
COLD FLECTION RESISTANCE |
THERMIC EXPANSION
COEFFICIENT |
THERMIC SHOCK RESISTANCE |
MAXIMUM
TEMPERATURE IN USE |
|
|
|
Al2O3% |
MgO% |
Kg/dm3 |
% |
Kg/dm3 |
α 20°
1000°C |
|
°C |
|
LR 93 |
cordieritico |
42 |
5,5 |
1,95 |
23 |
130 |
3,3 |
optimum |
1250 |
|
LR 95 |
cordieritico |
44 |
5,5 |
2,00 |
26 |
150 |
3,2 |
optimum |
1250 |
|
LR 23 |
cordieritico
mullitico |
57 |
6 |
2,15 |
23 |
140 |
3,5 |
good |
1300 |
|
LR 24 |
cordieritico
mullitico |
55 |
6 |
2,10 |
25 |
190 |
3,3 |
good |
1300 |
|
LR 11 |
silico
alluminoso |
55 |
- |
2,15 |
21 |
280 |
6,5 |
medium |
1300 |
|
LR 21 |
mullitico |
67 |
- |
2,35 |
21 |
160 |
5,3 |
good |
1400 |
|
LR 31 |
alluminoso |
82 |
- |
2,55 |
24 |
230 |
6,9 |
good |
1450 |
[click
here to download the technical sheet "SUPPORTS" in .pdf format]
|
PLATES
TECHNICAL SHEET |
|
Chemical analysis |
CORDIERITE |
CORAL |
|
Al2O3 |
35
/ 36% |
38
/ 39% |
|
SiO2 |
49
/ 50% |
44
/ 45% |
|
Crystalgrafic analysis |
cordierite |
cordierite - mullite |
|
|
|
|
|
Physical features |
|
|
|
Weight - volume |
2,02 / 2,04 kg/dm3 |
2,03 / 2,06 kg/dm3 |
|
Apparent porosity |
18
/ 20% |
19
/ 21% |
|
Water absorption |
9 /
10 % |
10
/ 11 % |
|
Cold flection resistance |
16
/ 20 N/mm2 |
18
/ 20 N/mm2 |
|
Hot flection resistance |
optimum |
optimum |
|
Thermal expansion 50 - 1000°C |
2,6
x 1/k x 10exp-6 |
3,4
x 1/k x 10exp-6 |
|
Thermal shock resistance |
optimum |
good |
|
Maximum supported temperature |
1230 / 1250°C |
1280/1300°C |
[click
here to download the technical sheet "PLATES" in .pdf format] |
