| Thermal and Mechanical Properties of Glass (Quartz, Pyrex, Borosilicate) | |||||||||||
| Density= 2.64 g/cc | |||||||||||
| T (K) | Thermal Expansion | Heat Capacity | Thermal Conductivity | Emissivity | |||||||
| (%) | (J/gK) | (W/cmK) | |||||||||
| 373 | 0.064 | 1.05E+00 | 1.100E-02 | ||||||||
| 360 | 0.054 | 1.00E+00 | 1.100E-02 | ||||||||
| 340 | 0.038 | 9.30E-01 | 1.100E-02 | ||||||||
| 320 | 0.022 | 8.70E-01 | 1.100E-02 | ||||||||
| 300 | 0.006 | 8.00E-01 | 1.090E-02 | 0.94 | |||||||
| 293 | 0.000 | 7.80E-01 | 1.080E-02 | ||||||||
| 273 | -0.006 | 7.10E-01 | 1.060E-02 | ||||||||
| 260 | -0.010 | 6.70E-01 | 1.040E-02 | ||||||||
| 240 | -0.016 | 6.10E-01 | 1.005E-02 | ||||||||
| 220 | -0.022 | 5.50E-01 | 9.650E-03 | ||||||||
| 200 | -0.027 | 4.95E-01 | 9.250E-03 | ||||||||
| 180 | -0.032 | 4.35E-01 | 8.800E-03 | ||||||||
| 160 | -0.037 | 3.75E-01 | 8.000E-03 | ||||||||
| 140 | -0.042 | 3.25E-01 | 7.500E-03 | ||||||||
| 120 | -0.046 | 2.70E-01 | 6.800E-03 | ||||||||
| 100 | -0.050 | 2.20E-01 | 5.800E-03 | ||||||||
| 80 | -0.054 | 1.80E-01 | 4.800E-03 | ||||||||
| 60 | -0.056 | 1.40E-01 | 3.700E-03 | ||||||||
| 40 | -0.057 | 9.00E-02 | 2.500E-03 | ||||||||
| 20 | -0.056 | 2.74E-02 | 1.500E-03 | ||||||||
| 10 | -0.056 | 4.60E-03 | 1.300E-03 | ||||||||
| 4.2 | -0.055 | 2.60E-04 | 1.000E-03 | ||||||||
| T(K) = Temperature in Kelvin, T(C) = Temperature in Celsius | |||||||||||
| T (C) = T (K) - 273 | |||||||||||
| Thermal Expansion (%) = 100 x [L(T) - L(293)] / L(293) | |||||||||||
| Heat Capacity [=] 1 J/gK = 0.23864 BTU/lbm/F | |||||||||||
| Thermal Conductivity [=] 1 W/cmK = 57.77 BTU/hr/ft/F | |||||||||||
| Tensile and Yield Strengths- lower bound values given | |||||||||||
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