Silica Insulation Refractory Mortars
Brand |
GGN-94 |
GGN-92 |
|
Refractoriness ( ℃ ) |
≥ 1690 |
≥ 1670 |
|
Bending strength (MPa) |
110 ℃× 16h |
≥ 0.5 |
≥ 0.5 |
1400 ℃× 3h |
≥ 1.5 |
≥ 1.5 |
|
Chemical Composition (%) |
SiO 2 |
≥ 94 |
≥ 92 |
Al 2 O 3 |
- |
- |
|
Fe 2 O 3 |
- |
- |
|
Grain size (%) |
> 1.0mm |
≤ 3 |
|
> 0.5mm |
|||
< .076mm |
≥ 50 |
||
0.2MPa Refractoriness under load ℃ T0.6 |
- |
- |
|
Setting time (min) |
1~2 |
||
