1.introductions
The thermal expansion coefficient testing machine, also called high temperature horizontal thermal expansion tester, is to measure the expansion and contraction properties of metal and non-metal materials during heating. The thermal expansion coefficient testing machine (high temperature horizontal thermal expansion tester) adopts computer software control, which can control temperature, record and save test parameters, print test report including temperature vs expansion coefficient curve if connect to a printer, etc.
2.test methods
GB/T 3810.8 test methods of ceramic tiles—part 8:determination of linear thermal expansion
ISO 10545.8 ceramic tiles— part 8:determination of linear thermal expansion
GB/T4339 test methods for thermal expansion characteristic parameters of metallic materials
3.specifications
3.1 temperature range: 0-1000℃
3.2 temperature raise rate: 0-20℃/min
3.3 temperature control accuracy:±1℃
3.4 accuracy of displacement sensor:0.1μm
3.5 sample size:φ（5-10）x50mm,（5-10）x(5-10)x50mm, for both square and circle samples
3.6 voltage:220V±10%,2KW
3.7 material of test frame: quartz
3.8 heating components: high temperature resistant wire
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