ISO 2094 pdf download

ISO 2094 pdf download.Textile floor coverings — Determination of thickness loss under dynamic loading 1 Scope This International Standard specifies a method for the determination of the thickness loss of textile floor coverings under dynamic loading. It is applicable to all types of textile floor coverings with a surface that is level in height and construction. It does not apply to other textile floor coverings unless the areas of different thickness or construction can be tested separately. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 1 39, Textiles — Standard atmospheres for conditioning and testing . ISO 1 765, Machine-made textile floor coverings — Determination of thickness. ISO 1 957, Machine-made textile floor coverings — Sampling and cutting specimens for physical tests. 3 Definitions For the purposes of this International Standard, the following definitions apply. 3.1 thickness (of a textile floor covering) distance between a reference plate on which the specimen rests and a parallel presser-foot applying a given pressure to the specimen NOTE Ordinarily the thickness of a textile floor covering without compression is measured under the standard pressure of 2,0 kPa ± 0,2 kPa applied to a circle of area between 300 mm 2 and 1 000 mm 2 within a larger area. 3.2 thickness loss (of a textile floor covering under dynamic loading) difference between the thickness of the textile floor covering, measured under the standard pressure, before and after it has received a stated number of standard 4 Principle The specimen is subjected to a cyclic-loading treatment in which a weight-piece, with two steel feet on its underside, repeatedly drops freely on to the specimen. The specimen is slowly traversed so that vertical shearing forces produced by the edges of the feet act on the requisite area of the specimen. The thickness of the specimen is measured, before and after treatment, by the procedure specified in ISO 1 765, except that the requirement of...