Model: 8103.
Overview
The Borosilicate 4.0 Fire Proof Glass Sheet High Thermal Shock Resistant Fire Door is supplied as a building / safety glass. Listed geometry: thickness 5-12mm. Optical / electrical data: transmittance Clear glass with visible light transmittance ≥91.5%, sheet resistance 3.00 H. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Model NO. | 8103 |
|---|---|
| Duration Of Fire Resistance | 3.00 H |
| Fire Resistance | Class A |
| Glass Materails | Borosilicate 4.0 Glass |
| Coe | 4.0×10-6K-1 |
| Property | Fire Proof Glass Panel |
| Construction | Single Piece Of Fireproof Glass |
| Product Name | Borosilicate 4.0 Single Piece Fire-Resistant Glass |
| Super Large Size | World maximum available size up to 4800×2440 mm, meeting large-area building glass demand |
| Light Weight | Over 8% lighter than ordinary glass with the same volume |
| High Mechanical Strength | 3 times tougher and stronger than ordinary |
| Ultra-high Light Transmittance | Clear glass with visible light transmittance ≥91.5% |
| Super Corrosion Resistance | Outstanding water resistance and chemical erosion resistance, stable in harsh environments |
| Building fireproof facilities | Fire-resistant doors, |
| Transportation industry | Train and locomotive fireproof supporting parts |
| Standard dimensions (mm) | 4800×2440 / 3660×2440 / 2440 × 1830 |
| Thickness range | 5-12mm |
| Supplier | Jinan Everest Glass Company Limited. |
Technical data
| Item | TechnicalData |
|---|---|
| Density(25℃) | 2.3 g/cm³ |
| Young'sModulus | 64 kN/mm²(DIN13316) |
| Poisson'sRatio | 0.2 |
| KnoopHardness | 560 (HK 0.1/20,ISO9385) |
| VickersHardness | 589.2 |
| Bending Strength (Tempered) | 130MPa(DIN 522922 T1) |
| Linear ThermalExpansion Coefficient(20~300℃) | 4.0×10-6K-¹ |
| SpecificHeat Capacity (20~100℃) | 0.829 J/(g·℃) |
| Thermal Shock Resistance Temperature | > 300 ℃ |
| MaxLong-term Working Temperature | 450℃ |
| Max Short-term Working Temperature | 500℃ |
| MeltingPoint | 1300℃ |
| SofteningPoint | 843.8℃ |
| AnnealingPoint | 593.2℃ |
| StrainPoint | 543.1℃ |
| RefractiveIndex | 1.47 |
| Visible Light Transmittance | ≥92% |
What to specify when you request a quote
- Glass type and thickness — listed as “5-12mm”; name the glass and thickness.
- Temperature and pressure — give working temperature, thermal shock and any pressure rating.
- Strengthening and safety — listed as “3 times tougher and stronger than ordinary”; state tempering, lamination or the safety standard.
- Outline and edges — listed as “World maximum available size up to 4800×2440 mm, meeting large-area building glass demand”; send a drawing with outline, holes and edge finish.
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 Precision Glass Cutting Process for Custom Components. 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 Custom LED Package Glass Cover Plate.


