Product type: Fireproof Glass. Application: Furniture, Door, Building. Model: Thickness 3.0mm,3.3mm,,4.0mm,5.0mm ,8.0mm,15mm. Function: Optical Function, Electromagnetic Function, Thermal Function, Mechanics and Mechanical Function, Biological and Chemical Function.
Overview
The Borosilicate 3.3 Float Glass Sheet 2-20mm is supplied as a precision glass plate / sheet made from Borosilicate 3.3. Listed geometry: thickness 2-20mm, plate shape. Optical / electrical data: transmittance ≥91%, sheet resistance Excellent (Resist Rapid Hot and Cold Alternation). Flatness Ultra-Flat, No Wave Distortion; temperature 450 Degrees. Typical applications: Home Appliance. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate 3.3 |
|---|---|
| Type | Fireproof Glass |
| Shape | Plate |
| Thickness | 2-20mm |
| Flatness | Ultra-Flat, No Wave Distortion |
| Application | Home Appliance |
| Usage | Furniture, Door, Building |
| Model NO. | Thickness 3.0mm,3.3mm,,4.0mm,5.0mm ,8.0mm,15mm |
| Structure | Solid |
| Moh's Hardness | 10 |
| Function | Optical Function, Electromagnetic Function, Thermal Function, Mechanics and Mechanical Function, Biological and Chemical Function |
| Transparency | Transparent |
| Processing Method | Doping |
| Preparation Process | High Speed Cooling Method |
| Color | Clear |
| Craft | Float Tin Bath |
| Temperature | 450 Degrees |
| Process | Custom Cutting, Drilling, Chamfering, Fine Polishi |
| Applications | Microscope Slide Substrate, Laboratory Equipment, |
| Surface Feature | Ultra-Flat, Bubble-Free, Scratch-Resistant, |
| Light Transmittance | ≥91% |
| Thermal Shock Resistance | Excellent (Resist Rapid Hot and Cold Alternation) |
| Chemical Resistance | Acid-Proof, Alkali-Proof, Water-Proof, Corrosion-P |
| standard size | 1150*850mm |
| Supplier | Jinan Honhai Glass Company Limited |
Technical data
| Item | Technical Data |
|---|---|
| Product Name | 3.3 Borosilicate Float Glass Sheet |
| Thickness Range | 2mm – 20mm (full size in stock) |
| Thermal Expansion Coefficient | 3.3 × 10/K (20ºC-300ºC) |
| Max Working Temperature | 450ºC (long-term use) |
| Light Transmittance | ≥91% (visible light) |
| Density | 2.23±0.02 g/cm³ |
| Standard Sheet Size | 1150×850mm, 1700×1150mm, 1600×1200mm |
| Surface Quality | No bubble, no scratch, no ripple, flame polished |
| Processing Service | Cutting, drilling, grinding, polishing, coating, custom shape |
What to specify when you request a quote
- Material — listed as “Borosilicate 3.3”; name the glass or quartz grade.
- Outline and thickness — listed as “2-20mm”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Plate”; dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — listed as “Ultra-Flat, No Wave Distortion”; 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 How to Choose Custom Washing Machine Control Panel Glass: A 2026 Buyer's Guide. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is Custom Special-Shaped Glass Plate.
