Thermal insulation products for building equipment and industrial installations. Determination of design thermal conductivity Ingestion-build-181247 BS 3F 71 specifies requirements

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Thermal insulation products for building equipment and industrial installations. Determination of design thermal conductivity Ingestion-build-181247 BS 3F 71 specifies requirements1 Scope This International Standard gives methods to calculate design thermal conductivities from declared thermal conductivities for the calculation of the thermal performance of building equipment and industrial installations. These methods are valid for operating temperatures from 200 C to +800 C. The conversion factors, established for the different influences, are valid for the temperature ranges indicated in the relevant clauses or annexes.