Refractory castable cement adopts submircon technology. Micro powder is used as binder, aluminate cement as coagulation accelerator, some antidetotant and water reducer will also be added in during the production of High alumina castable , compared with common castable.
Item | Index | ||||||
UN-50 | UN-60 | UN-70 | UN-80 | UN-85 | UN-90 | ||
AL2O3 ( %) ≥ | 50 | 60 | 70 | 80 | 90 | 90 | |
CaO ( %) ≤ | 2.5 | 2.2 | 2.0 | 2.0 | 1.8 | 1.8 | |
Bulk density (kg/m3) ≥ | 2.40 | 2.50 | 2.60 | 2.80 | 2.90 | 3.0 | |
Cold crushing Strength ( Mpa ) ≥ | 110 °C x24h | 30 | 35 | 40 | 45 | 50 | 50 |
1000 °C x3h | 45 | 45 | 55 | 55 | 65 | 65 | |
1400 °C x3h | 60 | 65 | 70 | 80 | 85 | 90 | |
Linear change after heating (%)≤ | 1400 °C x3h | ±0.5 | ±0.4 | ±0.4 | ±0.4 | ±0.4 | ±0.4 |
Max. service temperature(°C) ≥ | 1400 | 1450 | 1550 | 1630 | 1680 | 1700 | |
Refractoriness(°C) ≥ | 1710 | 1740 | 1780 | 1790 | 1790 | 1800 | |
Water consumption, % | 6 ~ 7.5 | 6 ~ 7.5 | 6 ~ 7.5 | 6 ~ 6.5 | 6 ~ 6.5 | 6 ~ 6.5 |
1.What kind of product can you offer ?
Our company can offer industrial refractory insulation materials. For example: Ceramic Fiber Products, Soluble Fiber Products,Fiberglass Products,Calcium Silicate Products, Mineral Wool, Rock Wool,Insulating Firebricks Etc.
2.Can you provide free samples ?
Free samples are available !
3.What is your MOQ?
We don't have particular MOQ, we can accept any order for any different projects.
Price depends on quantity.
4.Can we have a visit to your factory ?
Yes! Of course,welcome to visit our factory at anytime !