Application: Electronic Heater. Model: TJ-0008338.
Overview
Factory Customized Quartz Glass Tube High Borosilicate Glass Tube Transparent Heat Resistant: a precision glass tube / rod made from Quartz Glass. Listed geometry: size 2-500, thickness 2-10, circular shape. Listed for Electronic Heater applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Shape | Circular |
|---|---|
| Thickness | 2-10 |
| Application | Electronic Heater |
| Model NO. | TJ-0008338 |
| Annealing Point | 1210℃ |
| Materials | Quartz Glass |
| Softening Point | 1680℃ |
| Purity | 99.99% |
| Dimensions | 2-500 |
| Strain Point | 1120℃ |
| Chemical Composition | Silica |
| Density | 2.2g/cm3 |
| Supplier | Donghai County Tengjun Quartz Products Co., Ltd. |
Technical data
| Compressive strength | >1100Mpa | Coefficient of thermal expansion | 5.5×10-7cm/cm. |
| Bending Strength | 67Mpa | Melting temperature | 1750~1800 |
| Tensile Strength | 48.3Mpa | The temperature for a short time | 1500 |
| Poisson's Ratio | 0.14~0.17 | The temperature for a long time | 1200° to 1300 |
| Elastic Modulus | 71700Mpa | Resistivity | 7×107.2.cm |
| Shearing Modulus | 31000Mpa | Dielectric Strength | 250~400Kvicm |
| Moh's Hardness | 5.3~6.5(Moh's Scale) | Dielectric Constant | 3.7~3.9 |
| Deformation Point | 1650 | Dielectric absorption coefficient | <4×104 |
| Specific Heat(20~350°) | 670J/kg | Dielectric loss coefficient | <1×104 |
| Thermai Conductivity | 1.4W/m | Pervious to light performance | 80%-95% |
What to specify when you request a quote
- Material — listed as “Quartz Glass”; name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “TJ-0008338”; 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 Borosilicate Glass 3.3: Material & Coating Guide for Machined Parts. 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 Why Quartz Glass Components Excel in Coffee Heating Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is BF33 Microfluidic Glass Chip for Rapid Testing.
