EN 12127-1997 en Textiles - Fabrics - Determination of Mass Per Unit Area Using Small Samples《纺织品 织物 用小样品测定单位面积的质量》.pdf

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1、STD-BSI BS EN 12127-ENGL I998 E lb24bb9 Ob823L LIAB BRITISH STANDARD Textiles - Fabrics - Determination of mass per unit area using small samples The European Standard EN 12127 : 1997 has the status of a British Standard ICs 59.080.30 3s EN 12127 : 1998 BS EN 12127 : 1998 National foreword This Brit

2、ish Standard is the English language version of EN 12127 : 1997. It supersedes Method 5 in BS 2471 : 1978 which is withdrawn by amendment. The UK participation in its preparation was entrusted to Technical Committee TCI/24, Physical testing of textiles, which has the responsibility to: - aid enquire

3、rs to understand the text; - present to the responsible European committee any enqiries on the interpretation, or proposals for change, and keep the K interests informed; - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on t

4、his committee can be obtained on request to its secrem. Cross-references The British standards which implement internationai or European pubfications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International standards Correspondence Index, or b

5、y using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include ail the necessary provisions of a conimct. Users of British Standards are responsible for their correct appication. Compliance with a British Standard does not of itself confer immunit

6、y from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. This British Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was publis

7、hed under the authority of the Standards Board and comes into effect on 15 February 1998 O BSI 1998 ISBN O O80 29132 4 Amendments issued since publication I Te*affected AmdNo. Date STD-BSI BS EN L2L27-ENGL 1998 9 Lb24bb9 Ub152320 03b EUROPEAN STANDARD NORNE l3UROPEE”E EUROP A is the area of the same

8、 test specimen, in square centimetres. Calculate the mean mass per unit area in grams per square metre and round the result to three significant figures. If required, calculate the coefficient of variation to the nearest 0,1%, the 95 % confidence limits andor minimum and maximum values, rounded to t

9、hree sigruficant figures. 10 Tkst report The report shall include the following information: a) the reference to this standard and the date of test; b) identification of the test sample and if required, the sampling procedure; c) any treatment applied to the material before the test, and especially

10、for knitted fabrics if any specific relaxation procedure has been carried out; d) the conditions of testing, in the standard atmosphere andor oven+, e) any deviation from the given procedure; f) mean mass per unit area, in grams per square mew g) if required, the coefficient of variation, in per cen

11、t; h) if required, the 95 % confidence limits, in grams per square metre; i) if required, minimum and maximum values for test specimens, in grams per square metre. O BSI 1998 STD-BSI BS EN LZL27-ENLL 1798 W lb24bb b82324 781 3 or less 4to 10 Page 6 EN 12127 : 1997 1 2 Annex A (informative) Suggested

12、 prodedure for sampling A.l Bulk Sample (number of pieces from a shipment or lot) We at random from the shipment or lot, the appropriate number of pieces as given in table 2. Ensure that no piece that shows signs of damage or dampness incurred during transit is included in the sample. 31 to 75 76 or

13、 more I able A.l Bulk sample I 4 5 Number of pieces in shipment or lot sample, minimum Number of pieces in bulk O BSI 1998 - Page 6 EN 12127 : 1997 I I I t 1 I I I l l l l l 1150 mm t I I I t I I I 1 I I I I I l n Annex B (informative) Example of cutting test specimens from a laboratory sample l iu

14、O c U F c aJ t4 I l I I I l I l I I I l I 150 mm) I l I I I I I I I I l l t B o o o o c- width of fabric - BS EN 12127 : 1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent natjonal body responsible for preparing British Standards. It presents the

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