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刚玉耐磨可塑料【厂家直销 价格 参数 应用】-宝威体育平台app下载官网
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牌号 brand | gs—70 | gs—75 | gs—80 | gs—85 | |
化学成分(%)chemical composition | al2o3≥ | 70 | 75 | 80 | 85 |
冷态耐压强度(mpa)cold crushing strength |
110℃×24h after drying at |
10 | 12 | 15 | 15 |
600℃×3h after firing at |
16 | 20 | 20 | 22 | |
1350℃×3h after firing at |
25 | 25 | 26 | 28 | |
荷重软化温度(℃)refractoriness under load |
-0.2% | 1380 | 1400 | 1450 | 1500 |
-0.4% | 1500 | 1550 | 1550 | 1580 | |
烧后线变化率(%)linear changing after burnt |
1350℃×3h after firing at |
±2 | ±2 | ±1.5 | ±1.5 |
体积密度(g./cm3)bulk density |
1350℃×3h after firing at |
2.6 | 2.65 | 2.7 | 2.8 |
耐火度(℃)refractoriness≥ | 1700 | 1750 | 1790 | 1790 | |
施工用量(kg/m3)amount for construction | 2800 | 2850 | 2900 | 3000 |