- Other Gifts & Crafts[4]
- Laboratory Bottle[6]
- Medical Consumables[1]
- Glass[6]
- Other Lights & Lighting Products[6]
- Glass Crafts[6]
- Test Tube[6]
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- Contact Person : Ms. Gao Sharon
- Company Name : Zibo Ruichen Special Glass Limited Company
- Tel : 86-533-5880609
- Fax : 86-533-5887219
- Address : Shandong,Zibo,North of Shnagzhuang Longquan Zichuan Zibo Shandong China
- Country/Region : China
- Zip : 255144
borosilicate glass rods 3.3 high borosilicate 3.3 glass clear rod
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Physical Property : No. Physical performance Numerical Value Unit 1. Coefficient of mean linear thermal expansion(20,300) 3.30.1 10-6K-1 2. Transformation temperature 52515 3. Softening point 82010 4. Working point 126020 5. Density at 20 2.230.02 g/cm3 6. Mean thermal conductivity(20-100) 1.2 w/m2k 7. Refractive index 0.92 1 Main Composition SiO2 B2O3 Na2O+K2O
Technical Data: Physical Property : No. Physical performance Numerical Value Unit 1. Coefficient of mean linear thermal expansion(20,300) 3.30.1 10-6K-1 2. Transformation temperature 52515 3. Softening point 82010 4. Working point 126020 5. Density at 20 2.230.02 g/cm3 6. Mean thermal conductivity(20-100) 1.2 w/m2k 7. Refractive index 0.92 1 Main Composition SiO2:81
B2O3 :13
Na2O+K2O :4
Al2O3 :2Chemical Property : Hydrolytic resistance at 98 ISO719-HGB 1 Hydrolytic resistance at 121 ISO720-HGA 1 Acid resistance Class ISO1776-First Class
borosilicate glass rods 3.3 high borosilicate 3.3 glass clear rod
