High efficiency air filters (EPA, HEPA and ULPA) - Classification, performance testing, markingWhat is this standard about? This document applies to high efficiency particulate and ultra low penetration air filters (EPA, HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, e. g. for applications in clean room technology or pharmaceutical industry. It establishes a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid (or alternatively a solid)

walkways) where the machine is installed

and allows for either or both to be used

Ceramic tile is the tile made from clays and/or other inorganic raw materials and PCR is a set of specific rules

rail and inland navigation

The standard’s use will also affect:

The advancement of telecommunication and database technologies has helped the introduction of new types of services such as indoor navigation and multimodal navigation deployed on rapidly proliferating mobile devices such as smartphones

inserted and subsequent clauses renumbered

Note1: Underlays pre-attached to the laminate flooring coverings are not covered by BS EN 16354

Information concerning performance criteria

safe and convenient to use zero-carbon hydrogen gas in residential and commercial buildings and gas appliances

When applied to a multi-coat system

Monolithic ceramics are used to enhance lifespan and reliability of the material and withstand high temperature