Transient Hot Wire Liquids (THW)
Materials Liquids and Pastes
Thermal Conductivity Range 0.01 to 2 W/mK
Directional Measurement Bulk
Temperature Range -50°C to 400°C
Accuracy, Repeatability 5%, 2%
Standard ASTM D7896-14

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Transient Line Source (TLS)
Materials Soil and Soft Materials
Thermal Conductivity Range 0.1 to 5 W/mK
Directional Measurement Bulk
Temperature Range -50°C to 100 °C
Accuracy, Repeatability 5%, 2%
Standard ASTM D5334

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Transient Plane Source (TPS)
Materials Solids, Liquids, Paste, and Powder
Thermal Conductivity Range 0.005 to 1800 W/mK
Directional Measurement Bulk, Through-thickness, and In-plane
Temperature Range -160°C to 1000 °C
Accuracy, Repeatability 5%, 2%
Standard ISO/DIS 22007-2.2

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Frequently Asked Questions

Q: What is thermal resistivity testing?
Thermal resistivity testing is the process of testing the ability of a material to resist heat. It is the reciprocal of thermal conductance.
Q: How to test for thermal resistivity?
There are a number of possible options to measure thermal resistivity, each of them is suitable for a limited range of materials, depending on the thermal properties and temperature.

Thermtest offers various thermal resistivity testing services. Our thermal resistivity measurement methods cover a wide range of temperature and sample types. If you have any questions about testing, please contact us and we will answer as quick as possible.

Q: How much do thermal resistivity testing cost?
If you only need a limited number of thermal resistivity tests, then our contract thermal resistivity testing services are what you need. Request a quote today or contact us if you have any questions. We have a full-service thermal testing laboratory to accommodate your thermal resistivity testing needs using the best thermal resistivity measuring methods available.

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