Application: Home. Function: Heat Absorbing Glass, Heat Reflective Glass.
Overview
Flat Borosilicate Float Glass Sheet High Quality Borosilicate Glass is a precision glass plate / sheet made from Borosilicate. Listed geometry: size Customized, thickness 3.3mm, Custom, curve, flat shape. Optical / electrical data: transmittance 92%thickness≤4mm,91%thickness≥5mm. It is used in Home. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate |
|---|---|
| Shape | Curve, Flat |
| Size | Customized |
| Thickness | 3.3mm, Custom |
| Application | Home |
| Color | Transparent |
| Glass Type | Polycrystalline Glass |
| Function | Heat Absorbing Glass, Heat Reflective Glass |
| nd | 1.47384 |
| Light transmission | 92%thickness≤4mm,91%thickness≥5mm |
| MORE PRODUCTS | Company Profile |
| Supplier | DONGGUAN SAIDA GLASS CO.,LTD |
Technical data
| Physical Property | |||||
| No. | Physical performance | Numerical Value | Unit | ||
| 1 | Coefficient of mean linear thermal expansion(20°C,300°C) | 3.3±0.1 | 10-6K-1 | ||
| 2 | Transformation temperature | 525±15 | °C | ||
| 3 | Softening point | 820±10 | °C | ||
| 4 | Working point | 1260±20 | °C | ||
| 5 | Density at 20°C | 2.23±0.02 | g/cm3 | ||
| 6 | Mean thermal conductivity(20°C-100°C) | 1.2 | w/m2k | ||
| 7 | Refractive index | 0.92 | 1 | ||
| Main Composition | |||||
| SiO2 | B2O3 | Na2O+K2O | Al2O3 | ||
| 81 | 13 | 4 | 2 | ||
| Chemical Property | |||||
| Hydrolytic resistance at 98°C | ISO719-HGB 1 | ||||
| Hydrolytic resistance at 121°C | ISO720-HGA 1 | ||||
| Acid resistance Class | ISO1776-First Class | ||||
| Optical Property | |||||
| Refractive: | nd : 1.47384 | ||||
| Light transmission: | 92%thickness≤4mm,91%thickness≥5mm |
What to specify when you request a quote
- Material — listed as “Borosilicate”; name the glass or quartz grade.
- Outline and thickness — listed as “Customized”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Curve, Flat”; 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 Custom Ultra-Thin Glass Discs for Appliance Sensor Assemblies. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is Custom Special-Shaped Glass Plate.
