鑄造塗層鉻鐵砂特性:
- 加熱體積穩定性
- 高導熱性
- 耐鹼性強
- 固相燒結不粘砂
鑄造塗層鉻砂的化學和物理特性
化學 | 指數 | 身體的 | 指數 |
三氧化二鉻 | ≥46.0% | 堆積密度 | 2.5-3g/cm3 |
二氧化矽 | ≤1.0% | 酸鹼度 | 7.9 |
Fe2O3 | ≤26.5% | 鉻/鐵 | 1.55:1 |
CaO | ≤0.30% | 填充密度 | 2.6 克/立方厘米 |
氧化鎂 | ≤10% | 水分百分比 | ≤0.1 |
三氧化二鋁 | ≤15.5% | 燒結的 | 1600°C |
磷 | ≤0.003% | 燒結溫度 | 2180℃ |
C | ≤0.003% | 熔點 | >1800℃ |
鑄造塗層鉻砂可用尺寸
AFS45-50、AFS40-50、AFS50-55、AFS55-60、AFS60-65
40-70目、50-100目、70-140目、-325目
鑄造塗層鉻砂應用
鑄造塗料用鉻砂
鉻鐵礦砂是高負荷灰鑄鐵和鋼鐵鑄造廠的理想制芯砂和製模砂。
鉻鐵礦砂的高導熱性使其具有良好的冷卻性能;低熱膨脹產生良好的尺寸穩定性。
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