Product type: Quartz Plate. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass. Model: OS-0007.
Overview
High Purity Optical Quartz Glass Ohara Sk-1300 Synthetic Fused Silica Heat Resistant Glass Tube is a precision glass tube / rod made from Ohara Sk-1300 Fused Silica. Listed for Rubber, Plastic, Chemical, Construction and Metallurgy applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Substrate | Ohara Sk-1300 Fused Silica |
|---|---|
| Type | Quartz Plate |
| Application | Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass |
| Model NO. | OS-0007 |
| Bubbles | 0-0.03mm2/100cm3 |
| Striae | Grade a in One Direction(as Per Mil-G-174) |
| Birefrengence(Strain) | 10nm/Cm and Under |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Item | Unit | Value |
| Density | g/cm3 | 2.201 |
| Yong's Module | Kg/mm2 | 7280 |
| Poisson's ratio | 0.17 | |
| Compression strength | Kg/mm2 | 115 |
| Bending strength | Kg/mm2 | 7.0 |
| Tensile strength | Kg/mm2 | 5.6 |
| Torsional rigidity | Kg/mm2 | 3150 |
| Vickers hardness | Kg/mm2 | 900-1030 |
| Knoop hardness | Kg/mm2 | 650-710 |
| Coefficient of thermal expansion | cm/cmºC | 5.5*10-7 |
| Softening point | ºC | 1700 |
| Annealing point | ºC | 1160 |
| Strain point | ºC | 1060 |
| Specific heat(26ºC) | Cal/g.ºC | 0.176 |
| Thermal conductivity ratio(26ºC) | cal/cm.sec.ºC | 2.65*10-3 |
| Thermal conductivity ratio(100ºC) | Cal/cm.sec.ºC | 3.27*10-3 |
What to specify when you request a quote
- Material — name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “OS-0007”; 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 Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is Custom Perforated Quartz Plates.

