- Refractory[10]
- Ceramics[3]
- Contact Person : Mr. Li Roy
- Company Name : Huaxi Furnace Refractory Co., Ltd. Henan
- Tel : 86-371-64125689
- Fax : 86-371-64111628
- Address : Henan,Gongyi,Xipo village,Shecun town,Gongyi city
- Country/Region : China
- Zip : 451200
refractory gunning mass
Refractory Gunning mix for maintain of blast furnace and hot blast stove
Features
1.Excellent adhesion.2.High compressive strength.
3.Excellent resistance for slag and spalling.
Specification
Item | General gunning repair | Thermal gunning repair | Wet gunning repair | Wet gel gunning repair | |
Brand | HXP-W1 | HXRP-1 | HXP-W2 | HXP-W3 | |
Chemical composition | Al2O3 | ≥40 | ≥45 | ≥55 | ≥70 |
SiO2 | ≤45 | ≤45 | ≤35 | ≤5 | |
Fe2O3 % | ≤2 | ≤1 | ≤1 | ≤1 | |
SiC | ≥15 | ||||
Apparent porosity % | ≤25 | ≤25 | ≤25 | ≤20 | |
Bulk density g/cm³ | ≥2.0 | ≥2.1 | ≥2.4 | ≥2.7 | |
Crushing strength MPa | Drying | ≥25 | ≥30 | ≥100 | ≥22 |
After sintering | ≥30 | ≥50 | ≥150 | ≥40 | |
Modulus rupture (MPa) | Drying | ≥4 | ≥8 | ≥15 | ≥4 |
After sintering | ≥7 | ≥12 | ≥20 | ≥10 | |
Linear Change % | (1000°C,1h) ≥7 | (1000°C,3h)≤-0.2 | (1000°C,3h) ≤-0.4 | (1000°C,3h) ≤-0.4 | |
Hot rupture bonding strength MPa | (600°C,1h) ≤-0.2 | (1000°C,1h)≥7 | (1000°C,1h)≥7 | (1000°C,1h) ≥20 | |
Photoes
refractory gunning mass
