PRODUCT
GOHONG REFRACTORY CO.,LTD.
Unshaped refractories for preheater, cooler, smoke chamber, transfer chute, kiln cover, etc
Product parameters
Unshaped refractories for preheater, cooler, smoke chamber, transfer chute, kiln cover, etc。
(2-3% heat resistant steel fiber can be added to the castables according to the use environment and temperature)。
Physical and chemical index
| Physical and chemical index | |||||||
|---|---|---|---|---|---|---|---|
| Item Brand Number | GH-D70 | GH-D65 | GH-D60 | GH-D50 | GH-DN40 | GH-DN30 | |
| Al2O3 %≥ | 70 | 65 | 60 | 50 | 40 | 30 | |
| Bulk densit (g/cm³) | 2.70 | 2.60 | 2.50 | 2.40 | 2.20 | 2.00 | |
| Compressive strength：（MPa）≥ | 110℃ x24h | 80 | 60 | 50 | 50 | 40 | 40 |
1100℃x3h | 90 | 70 | 70 | 60 | 60 | 50 | |
Flexural strength: (MPa)≥ | 110℃x24h | 10 | 8 | 8 | 6 | 6 | 6 |
| 1100℃x3h | 14 | 12 | 10 | 8 | 8 | (850℃x3h) | |
| Line Change Rate：（1300℃x3h）% | ±0.3 | ±0.5 | ±0.5 | (1100℃x3h) ±0.5 | (1100℃x3h) | (850℃x3h) | |
