| Category | Ceramic , Glass | 
| Manufacturer | Schott North America | 
| Trade Name | |
| Port | Ningbo port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Schott N-PSK53A Glass.pdf  | 
          
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 3.57 g/cc | 0.129 lb/in³ | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Knoop Microhardness | 415 | 415 | .1/20 | 
| Modulus of Elasticity | 76.0 GPa | 11000 ksi | |
| Poissons Ratio | 0.288 | 0.288 | |
| Shear Modulus | 30.0 GPa | 4350 ksi | calculated | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| CTE, linear |           9.60           µm/m-°C           @Temperature -30.0 - 70.0 °C  | 
                  5.33           µin/in-°F           @Temperature -22.0 - 158 °F  | 
        |
|           10.8           µm/m-°C           @Temperature 20.0 - 300 °C  | 
                  6.00           µin/in-°F           @Temperature 68.0 - 572 °F  | 
        ||
| Specific Heat Capacity | 0.590 J/g-°C | 0.141 BTU/lb-°F | |
| Thermal Conductivity | 0.640 W/m-K | 4.44 BTU-in/hr-ft²-°F | |
| Transformation Temperature, Tg | 606 °C | 1120 °F | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Refractive Index |           1.618                     @Wavelength 587.6 nm  | 
                  1.618                     @Wavelength 587.6 nm  | 
        n<sub>d</sub> | 
|           1.62033                     @Wavelength 546.1 nm  | 
                  1.62033                     @Wavelength 546.1 nm  | 
        n<sub>e</sub> | |
| Transmission, Visible |           94 %                     @Thickness 10.0 mm, Wavelength 460 nm  | 
                  94 %                     @Thickness 0.394 in, Wavelength 460 nm  | 
        |
|           95.9 %                     @Thickness 10.0 mm, Wavelength 380 nm  | 
                  95.9 %                     @Thickness 0.394 in, Wavelength 380 nm  | 
        ||
|           98.8 %                     @Thickness 10.0 mm, Wavelength 405 nm  | 
                  98.8 %                     @Thickness 0.394 in, Wavelength 405 nm  | 
        ||
|           99.8 %                     @Thickness 10.0 mm, Wavelength 580 nm  | 
                  99.8 %                     @Thickness 0.394 in, Wavelength 580 nm  | 
        ||
|           99.8 %                     @Thickness 10.0 mm, Wavelength 700 nm  | 
                  99.8 %                     @Thickness 0.394 in, Wavelength 700 nm  | 
        ||
| IR Transmittance |           60.9 %                     @Thickness 10.0 mm, Wavelength 2500 nm  | 
                  60.9 %                     @Thickness 0.394 in, Wavelength 2500 nm  | 
        |
|           98.2 %                     @Thickness 10.0 mm, Wavelength 1530 nm  | 
                  98.2 %                     @Thickness 0.394 in, Wavelength 1530 nm  | 
        ||
| UV Transmittance |           6.1 %                     @Thickness 10.0 mm, Wavelength 310 nm  | 
                  6.1 %                     @Thickness 0.394 in, Wavelength 310 nm  | 
        |
|           52.5 %                     @Thickness 10.0 mm, Wavelength 334 nm  | 
                  52.5 %                     @Thickness 0.394 in, Wavelength 334 nm  | 
        ||
|           92.8 %                     @Thickness 10.0 mm, Wavelength 370 nm  | 
                  92.8 %                     @Thickness 0.394 in, Wavelength 370 nm  | 
        
| Chemical Properties | Metric | English | Comments | 
|---|---|---|---|
| Acid Class, SR | 53.3 | 53.3 | |
| Alkali Class, AR | 2.3 | 2.3 | |
| Stain Resistance Class, FR | 1.0 | 1.0 | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| B | 1 | |
| Climatic Resistance Test CR | 1 | |
| HG | 6 | |
| K (10-6mm2/N) | 1.16 | |
| Phosphate Resistance PR | 4.3 | |
| T1013.0 (°C) | 609 | |
| T107.6 (°C) | 699 |