Flexible sheets for waterproofing. Underlays for discontinuous roofing and walls. Determination of resistance to water penetration1 Scope This European Standard specifies a method to test the resistance against water penetration of underlays for discontinuous roofing and for walls.

This technical report is a part of a series of Particular Publications (standards and technical reports) which will describe test methods for the constancy of properties of various subsystems of diagnostic x-ray equipment

Temperatures in BS EN 62460 are based on the International Temperature Scale of 1990 (ITS-90)

BSI ISO 10003 is compatible with BS ISO 10001

BS IEC 61275 provides you with guidance on general requirements

and ampere squared hours (A²h) and to the measurement of current

Designation of heat treatment requirements

based on thermoplastic materials

the reference number of the result and any characteristics noticed during the determination

ISO 22915-21:2019 supersedes ISO 22915-21:2009

The required attenuation is obtained by adjusting the absorption coefficient and the length of MDF

PAS 5308-2 specifies requirements for and dimensions of PVC insulated control and instrumentation cables in multicore and multipair construction which are not covered in the equivalent European standard

This includes the option of using Inductively Coupled Plasma/Atomic Emission Spectrometry (ICP/AES)