PRODUCT
GOHONG REFRACTORY CO.,LTD.
Castables and precast shapes for high temperature alumina, needle coke rotary kiln,secondary combustion chamber, etc
Product parameters
Physical and chemical index
| Physical and chemical index | |||||||
|---|---|---|---|---|---|---|---|
| Item Brand Number | GH-GM80 | GH-GM75 | GH-GM70 | GH-GM65 | GH-D50 | GH-D45 | |
| Al2O3 %≥ | 78 | 73 | 68 | 60 | 50 | 45 | |
| Bulk densit (g/cm³) | 2.80 | 2.70 | 2.65 | 2.55 | 2.35 | 2.30 | |
| Compressive strength：（MPa）≥ | 110℃ x24h | 40 | 50 | 50 | 60 | 40 | 40 |
1100℃x3h/ 1300℃x3h | 80/100 | 70/120 | 70/100 | 90/100 | 60/ | 60/ | |
| 1500℃x3h | 120 | 120 | 100 | / | / | / | |
Flexural strength: (MPa)≥ | 110℃x24h | 6 | 8 | 8 | 6 | 6 | 6 |
| 1100℃x3h | 10 | 10 | 12 | 10 | 8 | 8 | |
| 1500℃x3h | 14 | 14 | 14 | / | / | / | |
| 1300℃x3h Linear rate of change | ±0.3 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | |
| Service temperature℃ | 1500 | 1500 | 1450 | 1400 | 1350 | Acid and alkali resistance 1300 | |
