Product type: Fireproof Glass. Application: Door, Window. Model: 9035. Function: Optical Function, Thermal Function.
Overview
Borosilicate Glass Sheet Heat Resistant Glass Plate for Gauge Reflex Glass is a sight / viewing glass made from Borosilicate 3.3 (Borofloat type), low thermal expansion coefficient. Listed geometry: thickness 0.5-25mm, plate shape. It is used in 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 (Borofloat type), low thermal expansion coefficient |
|---|---|
| Type | Fireproof Glass |
| Shape | Plate |
| Thickness | 0.5-25mm |
| Application | Home Appliance |
| Usage | Door, Window |
| Model NO. | 9035 |
| Structure | Solid |
| Moh's Hardness | 10 |
| Function | Optical Function, Thermal Function |
| Transparency | Transparent |
| Processing Method | Float Processing |
| Preparation Process | Float Processing |
| Color | Tranparent |
| Materials | Borosilicate |
| Processing | Customized |
| Long time (>10h) | 500℃ |
| Stock size | 1150*850mm /1700*1150mm |
| Supplier | Jinan Everest Glass Company Limited. |
Technical data
| Density (25℃) ρ | 2.23±0.02g/cm3 |
|---|---|
| Modulus of elasticity | 68kN/mm2 |
| Co-efficient of expansion(20-300℃) | 3.3±0.1×10-6 |
|---|---|
| Softening point | 820±10℃ |
| Strain point | 516±10℃ |
| Heat conductivity at 90℃ | 1.2W/mk |
| Caloricity | (20-100℃) 0.82KJ × (kg×K)-1 |
| Thermal shock resistanceStrengthening type | 180K300K |
| Identical temperature differenceStrengthening type | 100K300 K |
| Maximum working temperatureShort time (<10h):Long time (>10h): | 500℃450℃ |
| Water resistance | ISO719/DIN12111 HGB1ISO720 HGA1 |
|---|---|
| Acid resistance | ISO1776/DIN12116 1 |
| Alkali resistance | ISO695/DIN52322 A2 |
What to specify when you request a quote
- Glass type and thickness — listed as “Borosilicate 3.3 (Borofloat type), low thermal expansion coefficient”; name the glass and thickness.
- Temperature and pressure — give working temperature, thermal shock and any pressure rating.
- Strengthening and safety — state tempering, lamination or the safety standard.
- Outline and edges — listed as “Plate”; send a drawing with outline, holes and edge finish.
Engineering guides for this part
For material grades and coating options, see Borofloat 33 Glass: Material Selection for Precision Substrates. How parts like this are machined and finished is covered in Precision Glass Wafer Dicing: Fused Silica & Borofloat Process Guide. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is 4-inch Borofloat 33 Glass Wafers.
