- Contact Person : Ms. Zhao Jory
- Company Name : Hangzhou Huashengtong Machinery Equipment Co., Ltd.
- Tel : 86-0571-83733500
- Fax : 86-0571-83733511
- Address : Zhejiang,Hangzhou,No.877 Shangcheng South Road , Xiaoshan district
- Country/Region : China
glass beads blast media
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glass beads blast media Glass beads abrasive with their hardness and spherical form can remove impurities and metal oxides without damaging the treated surface. Glass does not react chemically with other material so that the micro-beads do not create any corrosion on the treated surfaces with no deposits of foreign substances.
Chemical Name & Synonyms | Soda-lime Silicate-Glass | |||
Chemical Family | Silicate glass without free silica | |||
Formula | SiO2 | 71-73% | Na2O | 13-15% |
MgO | 3-5% | CaO | 8-10% | |
Al2O3 | 0.5-2% | K2O | 0.2-0.6% | |
Physical Properties | ||||
Boiling Point N/A | Vapour Pressure N/A | |||
Percent Volatile by Volume Nil | Vapour Density N/A | |||
Evaporation Rate N/A | Odour Nil | |||
Refractive Index 1.52 | Oil Absorption (ASTM) 17 | |||
Solubility in Water Not Soluble | Mohs 6 | |||
Absolute Specific Gravity(H2O=1)2.46 | Knoop Load 100:515kg/mm2 | |||
Absolute Specific Gravity 1.6kg/dm3 | Hardness DPH Load 50kg:540kg/mm2 | |||
Specific Heat Average 0.18kcal/mhoC | Dielectric Strength 4,500kv/cm | |||
Dielectric Constant 7.2(1MC at 20oC) | Expansion Coefficient 8.5*10-6 | |||
glass beads blast media
