Product type: Glass Tube. Application: Indutrial. Model: JSV-LF.
Overview
Electron Tube Lead Free Pbo Free Glass Tube is a precision glass tube / rod made from Glass. Listed geometry: round shape. Typical applications: Indutrial. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Glass Tube |
| Shape | Round |
| Application | Indutrial |
| Model NO. | JSV-LF |
| Glass Type | Hollow Glass |
| Recycled | Recycled |
| Flexibility | Hard |
| Logo Printing | with or Without Logo |
| Technics | Fused Glass |
| Processing | Cutting, Fire Polishing, Sealing |
| Workable | Blown |
| Color | Transparent, Clear |
| Production Description | Product Name |
| Main Chemical Composition | No. |
| Physical Data | 1 |
| Supplier | Jinan JSV Industrial Co., Ltd. |
Technical data
| Product Name | Lead free glass tube |
|---|---|
| Diameter | Outside diameter from 2mm to 45mm |
| Feature | ease of processing |
| Processing | Cutting, fire polishing, sealing |
| Packing | Carton, pallet, wooden crate |
| No. | Composition | Wt.% | Tolerance |
| 1 | SiO2 | 67.6 | +/-1.0 |
| 2 | BaO | 8.9 | +/-0.5 |
| 3 | Na2O | 7.5 | +/-0.5 |
| 4 | K2O | 4.9 | +/-0.5 |
| 5 | Al2O3 | 3.4 | +/-0.4 |
| 6 | SrO | 3.0 | +/-0.4 |
| 7 | CaO | 1.9 | +/-0.3 |
| 1 | Coefficient of mean linear thermal expansion (20ºC~380ºC) | 9.1 | 10-6K-1 |
| 2 | Density | 2.62 | g/cm3 |
| 3 | Softening point | 675 | ºC |
| 4 | Stress point | 455 | ºC |
| 5 | Working temperature | 1020 | ºC |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “JSV-LF”; give outer and inner diameter or wall and their tolerances.
- Length and ends — give length, end finish and any closed or flared ends.
- Straightness and bore — state straightness and bore tolerance for precision tubing.
Engineering guides for this part
For material grades and coating options, see Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in Precision Bore Glass Tubing Processing: End-to-End Manufacturing for Industrial Buyers. For an application example, read Precision Borosilicate Glass Wafers for Appliance Sensor Components. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is 4-inch Borofloat 33 Glass Wafers.
