Customization: | Available |
---|---|
Feature: | Long Time Materials |
Refractoriness (℃): | 650 C |
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Item |
Unit |
DK-25 |
DK-22 |
|
Density per ASTM 303 |
kg/m3 |
≤250 |
≤220 |
|
Maximum service temperature |
ºC |
650 |
650 |
|
Thermal conductivity per ASTM C 518/C1114 |
25 |
W/m.k |
|
|
50 |
≤0.060 |
|
||
93 |
≤0.065 |
≤0.065 |
||
149 |
≤0.072 |
|
||
200 |
|
≤0.077 |
||
260 |
≤0.087 |
|
||
300 |
|
≤0.088 |
||
371 |
≤0.102 |
|
||
400 |
|
≤0.106 |
||
500 |
|
≤0.127 |
||
538 |
≤0.111 |
|
||
Linear heat shrinkage per ASTM C 356 |
% |
≤2.0 |
≤2.0 |
|
Flexural Strength per ASTM C 203 |
Mpa |
≥0.344 |
≥0.30 |
|
Compressive strength per ASTM C165 |
Mpa |
≥0.689 |
≥0.45 |
|
Weight loss by Tumbling per ASTM C421 (First 10 minutes) |
% |
≤20 |
|
|
Weight loss by Tumbling per ASTM C421 (Ten 10 minutes) |
% |
≤40 |
|
|
Hot surface performance per ASTM C 411(650ºC) |
% |
1/4" (6) (no through-cracking) |
|
|
Surface burning characteristics per ASTM E841 |
Flame Spread Index |
|
0 |
|
Smoke Index |
|
0 |
|
|
Moisture content per ASTM C 1616 |
% |
≤20 |
|
|
Non-combustible property Per ASTM E 136 |
|
pass |
|
|
Chiorine content |
|
ASTM C 795 |
|