Borosilicate glass tube / borosilicate glass tube / borosilicate glass
- $0.20 / >=500 kilograms
- 500 kilograms
- Qingdao Vatti Glass Co., Ltd.
- Shandong, China
- Mr Johnny Yu
Product Detail
usage: | Labware, lighting, crafts, solar collectors, etc. | type: | tempered glass |
Packaging Details: | 1. We pack our products in carton box 2. We have normal packing, white box and color box 3. Inside: bubble paper 4. Outside: carton | payment terms: | L/C, T/T |
Supply capacity: | 50 tons per day | model: | borosilicate glass tube |
color: | Transparent/Red/Blue/Grey/Black/Milk/White etc. | Delivery Details: | 15 days to 20 days after we received the deposit |
Material: | Borosilicate COE3.3 glass | size: | Outer diameter 4-315mm |
port: | Qingdao | application: | Lighting glass |
Origin: | Shandong Province, China | finishing: | fire polishing/clean cutting/annealing/grinding |
brand: | Vantage Glass | thickness: | WT0.8-10mm |
length: | 1500mm or customized |
Borosilicate glass tube / borosilicate glass tube / borosilicate glass
1. Product description:
Its raw material borosilicate has good chemical stability, low expansion coefficient, heat resistance and other excellent characteristics, and the instantaneous temperature difference is -20~450°C. The chemical elements in borosilicate are silicon and boron. Both of these are perfectly healthy for our body. We make glassware safe, clear, heat resistant, string.
2. Specifications:
1) Outer diameter: 4~315 mm / wall thickness: 0.8~10mm
2) Ends: fire polished/cut neatly/annealed/ground
We can customize specifications according to customer needs
3. Features:
1) Low COE 3.3 and lead-free
2) High transparency
3) High temperature resistance
4) Hydrolysis/acid/alkali resistance
4. Main application:
1) laboratory equipment,
2) lighting,
3) diary machine,
5) Crafts,
6) Solar energy collection
5. Physical and chemical indicators:
physical properties | |||
No. | physical properties | value | unit |
1 | Average coefficient of linear expansion (20℃, 300℃) | 3.3±0.1 | 10-6K-1 |
2 | transition temperature | 525±15 | ℃ |
3 | Softening Point | 820±10 | ℃ |
4 | working point | 1260±20 | ℃ |
5 | Density at 20°C | 2.23±0.02 | g/cubic centimeter |
6 | Average thermal conductivity (20℃-100℃) | 1.2 | with m2k |
7 | Refractive index | 0.92 | 1 |
main ingredient | |||
silica | boron oxide | Na2O+K2O | Aluminum oxide |
81 | 13 | 4 | 2 |
chemical properties | |||
Hydrolysis resistance at 98°C | ISO719-HGB1 | ||
Hydrolysis resistance at 121°C | ISO720-HGA1 | ||
Acid resistance grade | ISO1776-Class I |
Packaging Details: 1. We pack our products in cartons
2. We have normal packing, white box and color box
3. Inside: bubble wrap
4. Outside: carton
5. Accept customer design
Delivery details: 15 days to 20 days after receiving the deposit
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