There are two types of Al series aluminum oxide polishing powder: one is high-purity polished aluminum oxide, which is calcined from high-purity aluminum ammonium sulfate; One is made of high-purity aluminum hydroxide through special roasting process.
Model | Purity | Lattice | Mohs hardness | PH | Na2O< | Biameter | Specific surface area |
Al-03 | 99.98 | α | 9 | 7.5-8.0 | 0.02 | 0.3 | 15 |
Al-06 | 99.98 | α | 9 | 7.5-8.0 | 0.02 | 0.6 | 12 |
Al-10 | 99.75 | α | 9 | 8.0-9.0 | 0.25 | 1.0 | 9 |
Al-20 | 99.75 | α | 9 | 8.0-9.0 | 0.25 | 2.0 | 7 |
Al-30 | 99.75 | α | 9 | 8.0-9.0 | 0.25 | 3.0 | 3 |
Product features: fine particles, no caking, narrow particle size distribution, high purity.
Advantages: angstrom grade machining accuracy, no scratch due to agglomeration, tight particle tolerance control, and no danger due to unnecessary impurities.
Main applications: infrared materials (GE, ZnS, ZnSe) contact lenses, precision alloys (integrated circuit intermediate layer tungsten aluminum copper alloy wiring materials and film materials), micro precision ball bearings, stainless steel optical molds, metal mirrors, electronic optics and laser crystals, natural gemstones and artificial gemstones, etc.