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| Pressure container; | ||
| Industrial semiconductor | ||
| Spreading tubes | ||
| It is made by type 180 fused quartz tubing. | ||
| Mechanical properties | ||
| Rigidity modulus
3.2x104 MPa
Density 2.2 g/cm2 Young`s modulus 7.4x104MPa Compressive strength 2x104 MPa Tensile strength 70 MPa Shear strength 70 MPa Thermal expansion coefficient 0.5x10-6 /0C | ||
| Thermal properties | ||
| Strain temperature 1075 *C Annealing temperature 1180 *C Softening temperature 1730 *C | ||