Product type: Silica Quartz. Application: Electronic Heater. Model: TJ-0008605.
Overview
The Wholesale Polished Quartz Crystal Glass Test Tube for Lab Room is supplied as a laboratory glassware item made from Quartz Glass. Listed geometry: size 2-500, thickness 15mm, circular shape. Typical applications: Electronic Heater. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Type | Silica Quartz |
|---|---|
| Shape | Circular |
| Thickness | 15mm |
| Application | Electronic Heater |
| Model NO. | TJ-0008605 |
| 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 (soda-lime, borosilicate, quartz) because it fixes UV transmission and chemical resistance.
- Dimensions — listed as “15mm”; give dimensions and tolerances.
- Surface and edges — state edge finish and any frosted or coated areas.
- Cleanliness and packing — state cleanliness level and packing for lab use.
Engineering guides for this part
For material grades and coating options, see Borofloat 33 Glass: Material Selection for Precision Substrates. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Why Quartz Glass Components Excel in Coffee Machine Heating Modules. Before sending a drawing, check Thermal Conductivity of Quartz Glass & Fused Quartz: A Process Guide. A related standard product is BF33 Microfluidic Glass Chip for Rapid Testing.
