update:

better quality or en versions:

EN ISO 7345:1995 Thermal insulation - Physical quantities and definitions (ISO 7345:1987)
EN ISO 8497:1996 Thermal insulation - Determination of steady-state thermal transmission properties of thermal insulation for circular pipes (ISO 8497:1994)
EN ISO 8990:1996 Thermal insulation - Determination of steady-state thermal transmission properties - Calibrated and guarded hot box (ISO 8990:1994)
EN ISO 12572:2016 Hygrothermal performance of building materials and products - Determination of water vapour transmission properties - Cup method (ISO 12572:2016)

still complete

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