Silica Refractory Mortars
Brand |
JGN-92 |
JGN-85 |
|
Refractoriness ( ℃ ) |
≥ 1670 |
≥ 1580 |
|
Bending strength (MPa) |
110 ℃× 16h |
≥ 1 |
≥ 1 |
1400 ℃× 3h |
≥ 3 |
≥ 3 |
|
Chemical Composition (%) |
SiO 2 |
≥ 92 |
≥ 85 |
Al 2 O 3 |
- |
- |
|
Fe 2 O 3 |
- |
- |
|
Grain size (%) |
> 1.0mm |
≤ 3 |
|
> 0.5mm |
|||
< 0.076mm |
≥ 50 |
||
0.2MPa Refractoriness under load ℃ |
1500 |
1420 |
|
Setting time (min) |
1.5~2 |
||
Application |
For coke ovens |
||
