JEFFER Engineering and Technology Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1 set per 3 month |
| Delivery Time | 90 days after received the down payment |
| Packaging Details | Wood case, tray, steel frame........ |
| Material | Glass |
| Color | Clear |
| Size | Customized |
| Application | Laboratory |
| Shape | Round |
| Votalge | 380V |
| Condition | New |
| Capacity | Customized |
| Warranty | 1 year |
| Service | Engineer overseas service available |
| Brand Name | JEFFER |
| Model Number | Customized |
| Certification | ISO9001, ISO14001, ISO45001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1 set per 3 month |
| Delivery Time | 90 days after received the down payment | Packaging Details | Wood case, tray, steel frame........ |
| Material | Glass | Color | Clear |
| Size | Customized | Application | Laboratory |
| Shape | Round | Votalge | 380V |
| Condition | New | Capacity | Customized |
| Warranty | 1 year | Service | Engineer overseas service available |
| Brand Name | JEFFER | Model Number | Customized |
| Certification | ISO9001, ISO14001, ISO45001 | Place of Origin | China |
| High Light | ISO9001 test tube equipment ，ISO9001 glass tube machine ，380V test tube equipment | ||
Glass Tube, Glass Processing Plant, Test Tube Making, Laboratory Tube
1. Brief introduction
Glass is a special amorphous inorganic nonmetallic material. The main component is silicate, a non-crystalline solid with an irregular structure.
Glass melting is the most important process in glass production, it is a forming process where the batched materials form a qualified liquid evenly with no bubbles under high temperature heating.
At present, most of the tube glass production line mainly adopts horizontal stretching Danner process and Vello process.
2. Forming process
The glass liquid flows out from the furnace through the throat, goes into the rotating cylinder, the glass liquid will form a tubular type under a rotating speed of the cylinder. The tubular shape will be stretched and form a glass tube via graphite guide roller by Danner machine.
The glass liquid flows out from the throat, and goes into a heat-resistance alloy pipe, the glass liquid will form into a tube under the function of compressed air.
3. Application of tube glass
| Item | Application |
| 1 | Biological medicine |
| 2 | Glass instrument |
| 3 | Solar |
| 4 | Lighting |
| 5 | Chemical |
| 6 | Nuclear |
| 7 | Electric glass |
| 8 | Others |
The optimal choice used for pharmaceutical glass tube must be neutral borosilicate glass tubes.
General paramter of borosilicate glass tube:
| Item | Description |
| Density | 2.23 g/cm3 |
| Hardness | >7 |
| Modulus of elasticity | 63·103N·mm-2 |
| Tensile strength | 4.8x107pa(N/M2) |
| Compressive strength | (0-300) 3.3±0.1×10-6K-1 |
| Thermal conductivity | 1.2W·m-1·k-1 |
| Softening point | 820±10°C |
| Strain point | 516±10°C |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
2007
Total Annual:
10000000-20000000
Employee Number:
200~350
Ecer Certification：
Verified Supplier
JEFFER ENGINEERING, a China professional company that designs and provides complete glass melting technology as a global solution partner for the glass industry. With overseas subsidiaries in Russia, Egypt and Indonesia, JEFFER has met its demand for rapid local activity of the glass industry's ... JEFFER ENGINEERING, a China professional company that designs and provides complete glass melting technology as a global solution partner for the glass industry. With overseas subsidiaries in Russia, Egypt and Indonesia, JEFFER has met its demand for rapid local activity of the glass industry's ...
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