Quick and Reliable Thermal Testing Services
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Testing Thermal Conductivity of Powders
The testing of powders is a difficult measurement, due to the contact resistance created by loose solids.
 Method Used:Heat Flow Meter |
Ruben ElizondoGlassfiber del Norte“Thermtest and Craig Dixon thank you very much for your time and support. We are looking forward to our next tests and service.” ▲ |
Hot Disk Transient Plane Source
The Hot Disk has the unique ability to be able to test thermal conductivity on powders of small and large particles. This is due to the method having a variety of sensor diameters and variable test times. The sensor sizes and test times may be increased as the particle size increases to create better contact between the sensor and sample.
| 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 |
Hot Disk Transient Line Source
The TLS is specially designed for testing the thermal conductivity of of loose materials such as soil and sand.
| 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 |
Thermtest Heat Flow Meter
The Heat Flow Meter can be used to measure the thermal conductivity of loose material if the particles are small.
| Materials | Solids and Loose Materials |
| Thermal Conductivity Range | 0.001 to 0.5 W/mK |
| Directional Measurement | Bulk |
| Temperature Range | -20°C to 75 °C |
| Accuracy, Repeatability | 3%, 1% |
| Standard | ASTM C518 |