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Welcome to the Task 42 / Annex 29 Thermal Material Database


This database has been developed in the frame the IEA ECES Annex 29 and SHC Task 42.

The database is designed to provide characteristic data for PCM, Sorption-Materials and TCMs.

The phase transition data provided for PCMs is measured according to a DSC-measurement standard which
was developed in the frame of the IEA ECES Annex 29 and 24 as well as within the IEA SHC Task 42.

The T4229 DSC-Standard is available here.

To ensure the quality of the uploaded DSC results it is required to provide a refernce measurement using a reference PCM first.
The reference PCM can be ordered at .

 Please contact   to get access to the database.