Low Cement Gunmixes
| Name | MST °C |
Chemical analysis (fired basis) |
Cold Crushing Strength MN/m3 | PLC% MST |
W/MK§ 1000°C |
Density kg/m3 |
Max Grain Size mm |
|||||
| Al2O3 | SiO2 | Fe2O3 | Misc | Dry | 1000°C | MST | ||||||
Jonspray HS18 |
1800 | 90.2 | 5.6 | 0.3 | 65 | 70 | 87 | +1.2 | 1.90 | 2750 | 5 | |
Jonspray HS17 |
1700 | 66.1 | 27.0 | 1.2 | 70 | 65 | 70 | +1.2 | 1.40 | 2400 | 5 | |
Jonspray HS66 |
1650 | 68.8 | 25.7 | 0.8 | 50 | 40 | 65 | -1.1 | 1.30 | 2400 | 5 | |
Jonspray HS165 |
1650 | 58.3 | 36.8 | 1.1 | 55 | 40 | 70 | +0.4 | 1.20 | 2350 | 5 | |
Jonspray HS16 |
1600 | 46.9 | 48.4 | 1.0 | 65 | 50 | 70 | -0.8 | 0.95 | 2150 | 5 | |
Jonspray HS 30SiC |
1500 | 30.3 | 34.5 | 1.2 | SiC 30.7 | 57 | 35 | 65 | -0.8 | 3.91 | 2250 | 5 |
Jonspray HS 55SiC |
1500 | 20.7 | 20.6 | 1.2 | SiC 54.5 | 50 | 30 | 55 | -0.8 | 4.71 | 2300 | 5 |
Jonspray HS 75SiC |
1500 | 11.7 | 8.5 | 1.5 | SiC 72.4 | 45 | 43 | 65 | -0.6 | 6.80 | 2300 | 5 |
§ Thermal conductivity mean temperature 1000°C
Sheffield Refractories Limited Jonspray low cement gunmixes are refractory concretes that are applied using dry gunite equipment. These products need an extended nozzle (details available on request) to install correctly. Low cement gunmixes offer the advantages of low cement materials with the speed of installation by gunning. Gunmixes require less shuttering than castables. These products are not suitable to be used as castables. Guniteing equipment, supervisors and installers can be hired to install these products. There are many products to chose from and our sales and technical staff will offer advice on materials for different applications