(1)high temperature
(2)stable quality
(3)low thermal conductivity
Brand |
Fire clay |
||||
Item |
YHN-1 |
YHN-2a |
YHN-3a |
YHN-4 |
|
AL2O3 |
42 |
40 |
40 |
||
Refractoriness, °C |
1750 |
1730 |
1710 |
1690 |
|
Refractoriness under Load,KD °C |
≥1400 |
≥1350 |
≥1320 |
≥1300 |
|
1400°C×2h |
+0.1~-0.4 |
+0.1~-0.5 |
1350°C×3h |
1350°C×2h |
|
Apparent Porosity |
22 |
24 |
24 |
24 |
|
Cold crushing strength, Mpa |
29.4 |
24.5 |
19.6 |
19.6 |