CAS NO. 21645-51-2
General Properties 常規(guī)屬性
Molecular weight分子量 | 78 | Mohs hardness 摩氏硬度 | 3 |
Density g/cm3 密度 | 2.4 | Ratio of refraction 折光率 | 1.58 |
Physical and Chemical Properties
Item Model | HJM-10 | HJM-15 | HJM-25 | HJM-35 | HJM-50 | |
Chemical constituent 化學成分 | Al(OH)3 [%] ≥ | 99.7 | 99.7 | 99.7 | 99.7 | 99.7 |
Al2O3 [%] ≥ | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 | |
SiO2 [%] ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | |
Fe2O3 [%] ≤ | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | |
Na2O [%] ≤ | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | |
Loss on ignition 灼減 ≤ | 35.0 | 35.0 | 35.0 | 35.0 | 35.0 | |
Attached water水分 ≤ | 0.4 | 0.30 | 0.30 | 0.30 | 0.30 | |
+325 mesh 325目篩上≤ | 0.01 | 0.5 | 10 | 30 | 50 | |
oil absorption 吸油率 ≈ | 27 | 22 | 20 | 20 | 20 | |
Mean particle diameter粒度（D50） μ m | 9-12 | 13-18 | 22-27 | 30-40 | 40-60 | |
Whiteness白度 [R457] ≥ | 97 | 96 | 95 | 95 | 95 | |
PH value PH值 | 10.0±1.5 | |||||
Notes: In this specification, the mean particle size can also be produced according to customer's requirements. 備注：可根據客戶要求調整產品粒度 | ||||||
Applications產品應用：
●Plastics and board fireproofing工程塑料防火板
●Coating, adhesives and electronic sealing material涂層，膠黏劑，電子灌封料
●insulating compound, conveyer belt絕緣材料 輸送帶
●Artificial stone and BMC and SMC人造石，團狀模塑料，片狀模塑料
Packaging包裝：
●Compound paper or plastic packaging紙塑合一袋或塑編袋
●Net weight: 25kg/bag, or40 kg/bag or jumbo bag 25公斤/包或40公斤/包或集裝袋
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