氧化鋁可快速有效地去除鐵鏽、氧化皮、油漆和積碳。氧化鋁介質清除基材上殘留物的速度是沙子的兩倍,而且不會帶來所有健康風險。氧化鋁介質非常適合用於防滑、防滑地坪塗料和環氧地坪系統的添加劑。
| 化學和物理特性 | ||||||
| 晶型 | 阿爾法氧化鋁三角系 | |||||
| 化學性質 | 兩性 | |||||
| 與酸反應 | 受水和氫氟酸的輕度侵蝕 | |||||
| 與鹼的反應 | 非常輕微,只有強熱溶液 | |||||
| 氧化還原作用 | 沒有任何 | |||||
| 真密度(g/cm 3 ) | 3.97 | |||||
| 硬度 | 鈕扣(公斤/厘米2) | 2000-2200 | ||||
| 莫氏 | 9 | |||||
| 顏色 | 深棕色 | |||||
| 燒製後的顏色 | 淺藍 | |||||
| 熔點 | 2000℃ | |||||
| 最高使用溫度 | 1900℃ | |||||
| 比熱(cal/g.°C) | 0.26(20-29°C) | |||||
| 導熱係數 | 室內溫度 | 900℃ | ||||
| (cal/cm 2 .sec.°C) | 0.047 | 0.013 | ||||
| 電阻率 (Wcm) | 30℃ | 300℃ | 900℃ | 1600°C | ||
| 1016 | 1013 | 105 | 104 | |||
| 線膨脹係數 (x10 -6 ) | 7-9(0-1600°C) | |||||
| 可用粒度 | |||||
| 粒度號 | 美光 | 粒度號 | 美光 | 粒度號 | 美光 |
| 10 | 2360 ~ 2000 | 30 | 710 ~ 600 | 80 | 212 ~ 180 |
| 12 | 2000 ~ 1700 | 36 | 600 ~ 500 | 90 | 180 ~ 150 |
| 14 | 1700 ~ 1400 | 40 | 500 ~ 425 | 100 | 150 ~ 125 |
| 16 | 1400 ~ 1180 | 46 | 425 ~ 355 | 120 | 125 ~ 106 |
| 20 | 1180 ~ 1000 | 54 | 355 ~ 300 | 150 | 106 ~ 75 |
| 22 | 1000 ~ 850 | 60 | 300 ~ 250 | 180 | 90 ~ 63 |
| 24 | 850 ~ 710 | 70 | 250 ~ 212 | 220 | 75 ~ 53 |
| 可用的微米粉末尺寸 | ||||||||
| 中國 GB 2477-83 | 日本工業標準 | FEPA (84) / DIN (70) | 國際標準化組織 (77) | |||||
| 粒度號 | 標準尺寸範圍(µm) | 粒度號 | ds50 值 (µm) | 粒度號 | ds50 值 (µm) | 粒度號 | ds50 值 (µm) | |
| micro-F系列的標準值 | 絲網版 5000D | |||||||
| 240 | 60.0±4.0 | P240 | 58.5±2.0 | |||||
| 280 | 52.0±3.0 | P280 | 52.2±2.0 | |||||
| W63 | 63 – 50 | 320 | 46.0±2.5 | F230/53 | 53±3.0 | 50.0±3.0 | P320 | 46.2±1.5 |
| W50 | 50 – 40 | 360 | 40.0±2.0 | F240/45 | 44.5±2.0 | 42.0±2.0 | P360 | 40.5±1.5 |
| 400 | 34.0±2.0 | P400 | 35.0±1.5 | |||||
| W40 | 40 – 28 | 500 | 28.0±2.0 | F280/37 | 36.5±1.5 | 34.5±1.5 | P500 | 30.2±1.5 |
| 600 | 24.0±1.5 | F320/29 | 29.2±1.5 | 27.7±1.5 | P600 | 25.8±1.0 | ||
| W28 | 38 – 20 | 700 | 21.0±1.3 | F360/23 | 22.8±1.5 | 21.6±1.5 | P800 | 21.8±1.0 |
| 800 | 18.0±1.0 | F400/17 | 17.3±1.0 | 16.5±1.0 | P1000 | 18.3±1.0 | ||
| W20 | 20 – 14 | 1000 | 15.5±1.0 | F500/13 | 12.8±1.0 | 12.3±1.0 | P1200 | 15.3±1.0 |
| W14 | 14-10 | 1200 | 13.0±1.0 | |||||
| 1500 | 10.5±1.0 | F600/9 | 9.3±1.0 | 9.0±1.0 | ||||
| W10 | 10-7 | 2000 | 8.5±0.7 | |||||
| W7 | 7-5 | 2500 | 7.0±0.7 | F800/7 | 6.5±1.0 | 6.3±1.0 | ||
| W5 | 5 – 3.5 | 3000 | 5.7±0.5 | F1000 / 5 | 4.5±0.8 | 4.5±0.8 | ||
| F1200/3 | 3.1±0.5 | 3.1±0.5 | ||||||
| 一般用途 | 一般用途 | 用於固結磨俱 | 塗附磨俱 | |||||




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