Product type: Microwave Oven. Application: /. Model: High Borosilicate Glass.
Overview
2mm-40mm High Borosilicate Heat Resistant Pyrex Glass Plate is a precision glass plate / sheet made from High Borosilicate Glass. Listed geometry: size Custom, thickness 2-25mm, 40mm, etc. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Type | Microwave Oven |
|---|---|
| Size | Custom |
| Thickness | 2-25mm, 40mm, etc |
| Color | Transparent |
| Model NO. | High Borosilicate Glass |
| Glass Type | High Borosilicate Glass |
| Length | >1650mm |
| Width | 1650mm |
| Expansion Coefficient | 3.25 |
| Nd | 1.47379 |
| Competitive Advantages | 1. More than 10 years experiences on glass manufacturing and exporting. |
| Supplier | Jiangmen Bolipai Glass Products Co., Ltd. |
Technical data
| Mechanical properties | |
|---|---|
| Density (g/cm3) (at 25°C) | 2.23±0.02 |
| Knoop hardness | 480 |
| Flexure strength | 24Mpa |
| Thermodynamic properties | |
| Coefficient of thermal expansion (α) (0-300°C) | 3.3±0.1×10-6 |
| Softening point (°C) | 830±10 |
| Strain point (°C) | 521±10 |
| Specific heat capacity | (2-100°C)0.83KJ×(kg×K)-1 |
| Thermal conductivity | 1.2W×(m×k)-1 |
| Thermal shock resistance(K) | 300 |
| Temperature performance(K) | 200 |
| Maximum working temperature | (>10h, 600°C), (>10h, 550°C) |
| Chemical properties | |
| Water resistence | ISO719/DIN12111, HGB1 ISO720, HGA1 |
| Acid resistance | ISO1776/DIN12116, 1 |
| Alkali resistance | ISO695/DIN52322, A2 |
| Optical properties | |
| Refractive index | Nd: 1.47379 |
| Transmittance (5mm) | >92% |
| Electrical properties | |
| Specific resistance 1g | 250°C, 8.0Ω×cm |
| Dielectric loss | Tan , 38×(10)-4 |
| Dielectric Constant | 4.7 |
| Chemical component | |
| SiO2 | 79-82% |
| B2O3 | 8-14% |
| Na2O | 2-4% |
| Al2O3 | 1-6% |
What to specify when you request a quote
- Material — name the glass or quartz grade.
- Outline and thickness — listed as “Custom”; give outline, thickness and tolerances.
- Holes, slots and features — dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — state polish and flatness where they matter.
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 Optical Glass Polishing for High Clarity Surfaces. For an application example, read Laser Cut Glass Covers: The Key to Durable Appliance LED Packaging. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Custom LED Package Glass Cover Plate.
