Product type: Ceramic Tube. Application: Architectural, Electronics, Refractory. Model: G-E689.
Overview
Clear Silica Quartz Disk Pads for Wafer Friction Handling of Substrates is a fused silica / quartz wafer made from Cordierite. Listed geometry: size Customized. It is used in Architectural, Electronics and Refractory. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Cordierite |
|---|---|
| Type | Ceramic Tube |
| Size | Customized |
| Application | Architectural, Electronics, Refractory |
| Color | White, Black, Brown, Red, Gold, Yellow, Green |
| Model NO. | G-E689 |
| Feature | High Electrical Resistance |
| Usge | Insulation in The Electrical and Electronic Indust |
| Characteristic | 1.High temperature resistance |
| Supplier | Shanghai Yunnuo Industrial Co., Ltd. |
Technical data
| Item | Value |
|---|---|
| Density | 2.2 g/cm3 |
| Moh's hardness | 5-7 |
| Compressive strength | 800-1100 mpa |
| Flexural strength | 60-70 mpa |
| Tensile strength | 49 mpa |
| Poisson's ratio | 0.14-0.17 |
| Young's modulus | 72000 mpa |
| Modulus of rigidity | 31000 mpa |
| Specific heat (20-350C) | 670 J/KG.C |
| Thermal conductivity (20C) | 1.4W/m.C |
| Refractive index | 1.4585 |
| Resistivity | 7×107 Ω.cm |
| Dielectric strength | 250-400Kw/cm |
| Dielectric constant | 3.7-3.9 |
What to specify when you request a quote
- Diameter and flat / notch — listed as “Customized”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — give thickness, its tolerance and total thickness variation.
- Polish and roughness — specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Cordierite”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Production: A Step-by-Step Manufacturing Guide. How parts like this are machined and finished is covered in Glass Wafer Coring for Custom Circular Components. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
