Product type: Glass Tableware. Application: Home. Function: Heat Absorbing Glass, Heat Reflective Glass.
Overview
The High-Performance Heat-Resistant Clear Frosted Borosilicate Glass Specially Designed for Lighting Cover Applications is supplied as a lighting protective glass made from Borosilicate. Listed geometry: size Customized, thickness 1.1mm, 2mm 3mm mm, Customized, curve, flat shape. Optical / electrical data: transmittance 90%. Typical applications: Home. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate |
|---|---|
| Type | Glass Tableware |
| Shape | Curve, Flat |
| Size | Customized |
| Thickness | 1.1mm, 2mm 3mm mm, Customized |
| Transmittance | 90% |
| Application | Home |
| Color | Transparent |
| Glass Type | Polycrystalline Glass |
| Function | Heat Absorbing Glass, Heat Reflective Glass |
| Keyword | Cover Glass |
| Keyword 1 | Lighting Glass |
| Keyword2 | Ar Glass |
| Currently our products are mainly used in | 1. Consumer Electronics (smart watch, smart bracelet, tablet, glass cover, camera lens cover, PSP game console cover, etc.) |
| nd | 1.47384 |
| Light transmission | 92%thickness≤4mm,91%thickness≥5mm |
| Processing & Advantage | Packing and delivery |
| 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 |
| our company equipment |
| 1.Dust free painting room |
| 2.Automatic acid etching producing line |
| 3.Automatic circularly hot bending furnace |
| 4.Finland Tamglass tempering furmance |
| 5.CNC Water jet cutting maching computer controlled processing machine |
What to specify when you request a quote
- Glass type and thickness — listed as “Borosilicate”; name the glass (soda-lime, aluminosilicate, borosilicate) and thickness.
- Strengthening — state thermal tempering or chemical strengthening and the required surface compression or impact rating.
- Printing and coatings — listed as “Packing and delivery”; list silk-screen colours, windows, and any AR / AG / AF coating.
- Outline and edges — listed as “Curve, Flat”; send a drawing with cut-outs, holes and edge finish.
- Optical requirements — listed as “90%”; give transmission, haze or gloss targets for the viewing area.
Engineering guides for this part
For material grades and coating options, see LED Cover Glass Material Guide for Optical Encapsulation. How parts like this are machined and finished is covered in How Borosilicate Glass Is Sandblasted for Matte Surface Processing. For an application example, read Why Quartz Glass Components Excel in Coffee Machine Heating Modules. Before sending a drawing, check Thermal Conductivity of Quartz Glass & Fused Quartz: A Process Guide. A related standard product is LED Groove Cover Glass.


