| Category | Ceramic , Glass | 
| Manufacturer | Schott North America | 
| Trade Name | |
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Schott N-SF8 Glass.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 2.90 g/cc | 0.105 lb/in³ | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Knoop Microhardness | 600 | 600 | .1/20 | 
| Modulus of Elasticity | 88.0 GPa | 12800 ksi | |
| Poissons Ratio | 0.245 | 0.245 | |
| Shear Modulus | 35.0 GPa | 5080 ksi | calculated | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| CTE, linear | 8.60           µm/m-°C @Temperature -30.0 - 70.0 °C | 4.78           µin/in-°F @Temperature -22.0 - 158 °F | |
| 9.90           µm/m-°C @Temperature 20.0 - 300 °C | 5.50           µin/in-°F @Temperature 68.0 - 572 °F | ||
| Specific Heat Capacity | 0.770 J/g-°C | 0.184 BTU/lb-°F | |
| Thermal Conductivity | 1.03 W/m-K | 7.15 BTU-in/hr-ft²-°F | |
| Transformation Temperature, Tg | 567 °C | 1050 °F | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Refractive Index | 1.68894 @Wavelength 587.6 nm | 1.68894 @Wavelength 587.6 nm | n<sub>d</sub> | 
| 1.69413 @Wavelength 546.1 nm | 1.69413 @Wavelength 546.1 nm | n<sub>e</sub> | |
| Transmission, Visible | 67.2 % @Thickness 10.0 mm, Wavelength 380 nm | 67.2 % @Thickness 0.394 in, Wavelength 380 nm | |
| 91.9 % @Thickness 10.0 mm, Wavelength 405 nm | 91.9 % @Thickness 0.394 in, Wavelength 405 nm | ||
| 97.6 % @Thickness 10.0 mm, Wavelength 460 nm | 97.6 % @Thickness 0.394 in, Wavelength 460 nm | ||
| 99.4 % @Thickness 10.0 mm, Wavelength 580 nm | 99.4 % @Thickness 0.394 in, Wavelength 580 nm | ||
| 99.5 % @Thickness 10.0 mm, Wavelength 700 nm | 99.5 % @Thickness 0.394 in, Wavelength 700 nm | ||
| IR Transmittance | 74.6 % @Thickness 10.0 mm, Wavelength 2500 nm | 74.6 % @Thickness 0.394 in, Wavelength 2500 nm | |
| 98.8 % @Thickness 10.0 mm, Wavelength 1530 nm | 98.8 % @Thickness 0.394 in, Wavelength 1530 nm | ||
| UV Transmittance | 15.8 % @Thickness 10.0 mm, Wavelength 365 nm | 15.8 % @Thickness 0.394 in, Wavelength 365 nm | |
| 34.5 % @Thickness 10.0 mm, Wavelength 370 nm | 34.5 % @Thickness 0.394 in, Wavelength 370 nm | 
| Chemical Properties | Metric | English | Comments | 
|---|---|---|---|
| Acid Class, SR | 1.0 | 1.0 | |
| Alkali Class, AR | 1.0 | 1.0 | |
| Stain Resistance Class, FR | 0.00 | 0.00 | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| B | 1 | |
| Climatic Resistance Test CR | 1 | |
| HG | 4 | |
| K (10-6mm2/N) | 2.95 | |
| Phosphate Resistance PR | 1 | |
| T1013.0 (°C) | 564 | |
| T107.6 (°C) | 678 |