- School Bags[84]
- Recycling[31]
- Glass[52]
- Hookahs[87]
- Smoking Pipes[11]
- Ashtrays[10]
- Wall Lamps[32]
- Living Room Furniture[34]
- Glass Crafts[5]
- Other Lights & Lighting Products[2]
- Building Glass[1]
- Bowls[8]
- Dishes & Plates[1]
- Cups & Saucers[9]
- Coffee & Tea Tools[1]
- Bar Accessories[6]
- Coffee & Tea Sets[9]
- Glass[7]
- Storage Bottles & Jars[1]
- Herb & Spice Tools[3]
- Other Lab Supplies[1]
- Funnel[2]
- Other Chemicals[1]
- Contact Person : Ms. Chen Crystal
- Company Name : Huailai Tianyuan Special Type Glass Co., Ltd.
- Tel : 86-10-82084632
- Fax : 86-10-82084632
- Address : Beijing,Beijing,Room 4-502,#21 ,Yuanyangshanshuibuilding, Shijingshan District, Beijing City. China
- Country/Region : China
- Zip : 100040
33 borosilicate glass tube
borosilicate glass tube
Coefficient of mean linear thermal expansion (20°C/300°C) | Softening point | Transformation temperature: | Hydrolytic resistance at 98°C | Hydrolytic resistance at 121°C | Acid resistance class | Alkali resistance class | Applications |
3.3±0.1 (10-6K-1) | 820±10°C | 525±15°C | ISO719-HGB1 | ISO720-HGA1 | ISO1776-1 | ISO695-A2 | Superior heat- resisting products and crafts |
borosilicate glass tube
Main composition:
1) SiO2: 80±0.5%
2) B2O3: 13±0.2%
3) Al2O3: 2.4±0.2%
4) Na2O(+K2O): 4.3±0.2%
clear borosilicate glass tubing
Chemical properties:
1) Coefficient of mean linear thermal expansion (20°C/300°C):
3.3±0.1 (10-6K-1)
2) Transformation temperature: 525±15°C
3) Working point: 1,260±20°C
4) Softening point: 820±10°C
5) Density at 20°C: 2.23g/cm²
6) Hydrolytic resistance at 98°C: ISO719-HGB1
7) Hydrolytic resistance at 121°C: ISO720-HGA1
8) Acid resistance class: ISO1776-1
9) Alkali resistance class: ISO695-A2
MOQ:100 KGS PER color per size.
Delivery:within 25 days after receiving of payment.
Package:cartons with pallets or in wooden box
Payment:t/t or l/c
.
33 borosilicate glass tube