Application: Electronic Heater. Model: TJ-0008268.
Overview
High Temperature Transparent Quartz Tube UV Optical Quartz Glass Tube is a precision glass tube / rod made from Quartz Glass. Listed geometry: size 2-500, 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 |
|---|---|
| Application | Electronic Heater |
| Annealing Point | 1210ºC |
| Model NO. | TJ-0008268 |
| Materials | Quartz Glass |
| Softening Point | 1680ºC |
| Purity | 99.99% |
| Dimensions | 2-500 |
| Strain Point | 1120ºC |
| 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-0008268”; 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 JGS1 Quartz Glass for UV Optical and Precision Components. 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.

