Property
Thermal conductivity (λ) v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/4c7cdaf6-c405-44bf-9080-8359697e1668/property/67c5b009-c736-495d-8490-158e27e7a1a6
GUID: c2a27411-0afd-42b7-b0be-e8f6ff47eec0
Definition
The standardized, empirically tested lambda value defining a material's absolute efficiency in resisting continuous conductive heat flow.
Description
Mandatory for calculating the total dynamic thermal resistance of complex building envelopes and specifying industrial cryogenic piping insulation.
Example
80
Technical definition
Data type
Float
Usage
Property groups (1)
References
Reference documents (4)
- ASTM C518 Steady-State Thermal Transmission Heat Flow Meter Method v1.0
- EN 12664 Thermal transmittance (U-value) Dry Materials v1.0
- EN 12667 Thermal transmittance (U-value) Thick Products v1.0
- ISO 8301 Heat Transfer Thermal transmittance (U-value) v1.0