ISO 11359-1,-2 Test Standard Explained
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Property information for specific grades of resin are available in the Prospector Plastics Database. Property Search let's you search for plastics by more than 400 material properties. Coefficient of Linear Thermal Expansion (CLTE) - ISO 11359-1,-2The change in length per unit length of a material per degree of temperature change. CLTE is measured using a thermomechanical analyzer. The specimen is held in an enclosure and is contacted by a probe leading to a displacement sensor. A small force is applied to the specimen to keep the probe in contact with the specimen.
Thermomechanical Analyzer SetupThe enclosure is brought to a starting temperature. The temperature within the enclosure is increased at a uniform rate. The expansion of the specimen is measured by the displacement sensor over the temperature range of interest. CLTE (α) is calculated using the formula:
ISO 10350 NoteISO 10350 specifies that the test temperature range is to be from 23°C to 55°C. Similar StandardsProperty information for specific grades of resin are available in the Prospector Plastics Database. |
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