Prastic Refractories
| Item/Product | RAM-W90 | RAM-GREEN | RAM-W85 | RAM-W50 | RAM-70 | ||
|---|---|---|---|---|---|---|---|
| Maximum Service Temperature(℃) | 1800 | 1750 | 1750 | 1600 | 1750 | ||
| Dry Material Required for Estimating(t/㎥) | 3000 | 2900 | 2900 | 2400 | 2700 | ||
| Permanent Linear Change(%) | 110℃×24hrs | -0.30 | -0.30 | -0.30 | -0.30 | -0.40 | |
| 1350℃×3hrs | +0.15 | +0.20 | +0.50 | -0.30 | 0 | ||
| 1500℃×3hrs | +0.45 | +0.50 | +0.65 | - | +0.50 | ||
| Cold Crushing Strength(N/㎟) | 110℃×24hrs | 200(50) | 150(30) | 150(30) | 150(30) | 150(35) | |
| 1350℃×3hrs | 350(70) | 300(60) | 300(60) | 250(50) | 300(60) | ||
| 1500℃×3hrs | 400(80) | 350(70) | 350(70) | - | 350(70) | ||
| Thermal Conductivity(Kcal/m) | 550℃ | 1.21 | 1.20 | 1.19 | 0.94 | 1.19 | |
| 800℃ | 1.32 | 1.30 | 1.28 | 1.06 | 1.35 | ||
| Chemical Composition(%) | Al₂O₃ | 90 | 80 | 85 | 48 | 70 | |
| SiO₂ | - | 6 | - | - | - | ||
| Setting Type | Air Setting | ||||||
| Installation Method | Ramming | ||||||
| Quality | High-alumina | ||||||
| Main applications | Various high-temperature equipment, Electric furnaces ceilings | Electric furnace ceilings, Heating furnace floors, Ladle | Electric furnace ceilings, Heating furnace floors, Non-ferrous metal furnaces | Heating furnaces, Ladle, Various high-temperature equipment | Kilns, Heating furnaces, arious high-temperature equipment | ||
