EN 13542-2001 pdf download.Manufactured articles filled with feather and down – Method for determining the compressibility index of clothing.
This EN 13542 specifies a method to determine the compressibility index of clothing filled solely with feathers and/or downs.
2 Normative references
This European standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies (including amendments).
EN 1883 Feather and down – Sampling in view of tests
EN 12130 Feather and down — Test methods – Determination of the filling power (massic volume) EN 20139 Textiles Standard atmospheres for conditioning and testing (ISO 139:1973)
EN 20187 Paper, board and pulps Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples (ISO 187:1990)
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
residual Volume (Y)
volume of the clothing in a tube with a specified diameter, under a pressure of 10 kPa
3.2
conventional Volume (V)
conventional volume of the filling of a clothing, calculated from the measurement of filling power and the mass of
filling contained in the clothing
3.3
compressibility Index of clothing (C,)
difference between the conventional volume and the residual volume divided by conventional volume and expressed as a percentage
4 Principle
A strong pressure is exerted on the clothing and its residual volume is calculated. The conventional volume is calculated from elements of mass of tilling and filling power obtained on the filling conditioned.
The compressibility index is then calculated.
NOTE In accordance with this standard, the materials and accessory volume of the clothing is considered as negligible.
5 Apparatus
See Figure A.1. It comprises the following elements:
5.1 Tube (tar example in PVC) 01(250 ± 1) mm of diameter (0) and having at least 500 mm height (1. The height of the tube has to be known to the nearest 1 mm.
5.2 Cylinder mass allowing to exert a pressure of (10 ± 0,1) kPa .That cylinder mass can be put in the tube on the clothing with the help of a hoist. The height H, of the cylinder has to be known to the nearest 1 mm.
5.3 Graduated rule, allowing to measure height H, H,, H2 (see Figure A.1).
5.4 Balance with the accuracy of 0,1 g
6 Sampling and conditioning
6.1 Sampling is carried out according to EN 1883.
6.2 Conditioning and testing are undertaken according to EN 20139 and the temperature and relative humidity are measured according to EN 20187.
7 Test procedure
7.1 Position the clothing (see Annex A) inside the tube (5.1) of height H and lower the cylinder (5.2). At the end of a period of at least 60 s, record the difference of height between the top of the tube and the top of the cylinder in millimetres with a precision of 1 mm (Ha) with the help of the graduated rule.
7.2 Lift-up the cylinder, remove the clothing of the tube and leave it to rest without strain during 1 h. Repeat the operation described in 7.1 (Ha).
7.3 Calculate the average of results obtained in 7.1 and 7.2 in centimetres with an approximation of 1 mm (H2) from Ha and H.
7.4 Extract all the filling of the clothing and weigh it once conditioned CM is the mass of tilling expressed to the nearest gram).
7.5 At the end of a period of at least 14 h in conditioned atmosphere. undertake a measurement of tilling power according to EN 12130, by expressing the result in cubic decimetre per kilogram (is M the result).
8 Calculations
8.1 Calculate the residual height.EN 13542-2001 pdf download.