Thermal Conductivity Testing
Thermal conductivity testing and measurement capabilities include testing to many international standards such as ISO 22007-2, ASTM C518, ASTM D7896, ASTM D5334, ASTM E1461, ASTM E1530, and ASTM E1225.
Methods
Specifications
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?
Specifications
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?
Specifications
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?
Specifications
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?
Specifications
Materials
Solids
Thermal Conductivity Range
0.1 to 2000 W/m•K
Directional Measurement
Through-thickness
Temperature Range
-100°C to 500°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM E1461
Ready to Test?
Specifications
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?
Specifications
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?
Specifications
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?
Transient Plane Source (TPS)
Specifications
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
Heat Flow Meter (HFM)
Specifications
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
Transient Hot Wire Liquids (THW)
Specifications
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
Transient Line Source (TLS)
Specifications
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
Laser Flash Apparatus (LFA)
Specifications
Materials
Solids
Thermal Conductivity Range
0.1 to 2000 W/m•K
Directional Measurement
Through-thickness
Temperature Range
-100°C to 500°C
Accuracy, Repeatability
5%, 2%
Standard
ASTM E1461
Guarded Heat Flow Meter (GHFM)
Specifications
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
Guarded Comparative Longitudinal Heat Flow (GCLHF)
Specifications
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
Physical Properties Measurement System (PPMS)
Specifications
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?
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.