Yantai ZK Optics Co., Ltd. |
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Oval shape quartz capillary rod
It is most important to note that quartz rod can withstand very high thermal shock.
The transparent quartz rods are highly resistant to thermal shock due to the extremely low coefficient of thermal expansion because they have excellent electrical strength that offers stability under temperature variation.
Thermal Properties
Thermal Conductivity | 1.38(W/m°K) |
Coefficient Of Thermal Expansion(0~1000 °C) | 0.55(10 -6/ °C) |
Normal Operating Temperature (Continuous Usage) | ~1050 °C |
Normal Operating Temperature (Non Continuous Usage) | ~1250 °C |
Strain Point | ~1075 °C |
Annealing Point | ~1180 °C |
Hot Pressing Temperature | ~1700 °C – 2100 °C |
Devitrification Temperature | Starting at ~1000 ° C. high temperature accelerates Devitrification, especially with surface contaminants such as alkaline solution, salts and vapours. |