Thermal Conductivity Testing
Transient Plane Source (TPS)
Materials
Solids, Liquids, Paste, and Powder
Thermal Conductivity Range
0.005 to 1800 W/m•K
Directional Measurement
Bulk, Through-thickness, and In-plane
Temperature Range
-160°C to 1000°C
Accuracy, Repeatability
5%, 2%
Standard
ISO 22007-2
Ready to Test?
Heat Flow Meter (HFM)
Materials
Solids and Loose Materials
Thermal Conductivity Range
0.001 to 0.5 W/m•K
Directional Measurement
Bulk
Temperature Range
-20°C to 75°C
Accuracy, Repeatability
3%, 1%
Standard
ASTM C518
Ready to Test?
Transient Hot Wire Liquids (THW)
Materials
Liquids and Pastes
Thermal Conductivity Range
0.01 to 2 W/m•K
Directional Measurement
Bulk
Temperature Range
-50°C to 400°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM D7896
Ready to Test?
Transient Line Source (TLS)
Materials
Soil and Soft Materials
Thermal Conductivity Range
0.1 to 5 W/m•K
Directional Measurement
Bulk
Temperature Range
-50°C to 100°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM D5334
Ready to Test?
Laser Flash Apparatus (LFA)
Materials
Solids
Thermal Conductivity Range
0.1 to 2000 W/m•K
Directional Measurement
Through-thickness
Temperature Range
-100°C to 1000°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM E1461
Ready to Test?
Guarded Heat Flow Meter (GHFM)
Materials
Solids & Pastes
Thermal Conductivity Range
0.1 to 100 W/m•K
Directional Measurement
Through-thickness
Temperature Range
-20°C to 300°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM E1530
Ready to Test?
Guarded Comparative Longitudinal Heat Flow (GCLHF)
Materials
Solids
Thermal Conductivity Range
0.2 to 200 W/m•K
Directional Measurement
Bulk
Temperature Range
up to 1000°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM E1225
Ready to Test?
Physical Properties Measurement System (PPMS)
Materials
Solids
Thermal Conductivity Range
0.1 to 20 W/m•K
Directional Measurement
Through-thickness and In-plane
Temperature Range
-270°C to 100°C
Accuracy, Repeatability
5%, 2%
Standard
NA
Ready to Test?
Testing Partnership Announcement
Forsta Varme is excited to partner with Thermtest to offer advanced testing services for thermophysical properties. Forste Varme’s sophisticated understanding of heat for the most complex materials paired with Thermtest’s high quality thermophysical testing instruments offers expanded and proprietary testing methods at the cutting edge of metrology. We look forward to helping you with your measurement needs!
Partnered With
Alexander Jesmer, PhD
CEO - Forsta Varme
Get Your Free Quote Today
At Forsta Varme, our-cutting edge knowledge and in house R&D on new thermal measurement instrumentation, physical models, and simulation science provides us with the skills and know-how to help you. From standardized testing to measurements made by the people who designed the method, Forsta Varme can maximize your projects thermal property outcomes.