1、STD-BSI BS EN L397-ENGL 3998 lbZLibb9 Ob73350 T BRITISH STANDARD Resilient floor coverings - Determination of resistance to stubbed and burning cigarettes The European Standard EN 1399 : 1997 has the status of a British Standard ICs 97.150 o BS EN 1399 : 1998 NO COPYING WITHOUT BSI PERMISSION EXCEPT
2、 AS PERMITTED BY COPYRIGH LAW STD.BS1 BS EN 1379-ENGL 1978 = Lb24bb9 Ob73151 937 AmdNo. Date BS EN 1399 : 1998 Text a?ected This British Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was published under the authority of the Standards Board and co
3、mes into effect on 15 January 1998 National foreword This British Standard is the English language version of EN 1399 : 1997 published by the European Committee for Standardization (CEN). The UK participation in its preparation was entrusted to Technical Committee PRI/GO, Resilient floor coverings,
4、which has the responsibility to: - aid enquirem to understand the tela; - present to the responsible internationavEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related intemational and European developments and promdgat
5、e them in the UK. A list of organizations represented on this committee can be obtained on request to its secreta. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section
6、entitled ?International Standards Correspondence Index?, or by using the Compliance with a British Standard does not of itself confer immunity from legal obligations. facility of the BSI Standards Electronic Catalogue. Summary of pages This document comprises a front cover, an inside front cover, th
7、e EN title page, pages 2 to 6, an inside back cover and a back cover. O BSI 1998 ISBN O 680 28830 7 STD-BSI BS EN L379-ENGL 1998 = Lb24bb9 Ob73152 873 = EUROPEAN STANDARD EN 1399 NORME EUR0PEE”E EUROP- NORM September 1997 ICs 13.220.40; 97.150 Descriptors: Fimr coverings, linoleum, tests, determinat
8、ion, resistance to buming, cigarettes English version Resilient floor coverings - Detemon of mistance to stubbed and buming cigatks Revtements de sol rsilier to measure air temperature. 3.2 chrcynmneter; which reads to 1 s. 3.3 A device, shown in figure 1, consisting of: 3.3.1 A straight, seamless s
9、teel tube, of her diameter of (49,8 y) mm and minimum wall thickness of 3,6 mm incorporating two guide pins (see figure 2). 3.3.2 A cylindrical bmss weight, of diameter (49,5 3) mm, length (152 i5) mm and mass approximateiy 2,5 kg, incorpomhg two guide grooves and a lower indenter of diameter (16 0)
10、 mm and length approximately 30 mm. 3.3.3 A turntable horn, for the test piece. 3.3.4 A fmm, on which the parts of 3.3.1 and 3.3.2 are mounted. 3.4 Illumination device, comprising a lamp of correlated colour temperature 5 500 K to 6 500 K, mounted to give an intensity of light at the viewing platfor
11、m of (1 500 f 100) lx and in such a way as to illuminate the test piece verticaily from above. The surroundings shall be neutral and darkened. The intensity of the light shaU be checked frequently by the use of a luxometer. The ietime of the lamp, as given by the manufacturer, shall not be exceeded.
12、 3.6 Rotary viewing table, which enables the test piece to be roW so that it may be viewed from ali directions under the standard illumination. 3.6 Materius 3.6.1 Three cmm brands of pale tobacco cigarette, without filter or mouthpiece, with round crosssection with diameter approximately 8 mm and le
13、ngth approximately 70 mm. 3.6.2 Standard cleaning and stain removal pmducts. 3.6.2.1 white cotton, in pad or cloth form. 3.6.2.2 Brushes, hard, unlikely to score the surface. 3.6.2.3 Denatured ethanol. 3.6.2.4 Abrasives, abrasive scouring pads, steel wool No.00 or scouring powder or abrasive paper,
14、grain size P240 or finer, used with water. 3.6.2.6 Specid cleaning pmducts, special products recommended by the floor covering manufacturers. O BSI 1998 STD-BSI BS EN 1399-ENGL 1798 Lb2qbbS Ob73155 582 Page 4 EN 1399 : 1997 5 3 Key 1 Cylindrical brass weight 2 Indenter 3 Test piece 4 Test piece hold
15、er 5 Burningcigarette 6 Steel tube Figure 1. Test device Figure 2. Steel tube with guide pins and cylindrical brass weight with guide grooves O BSI 1998 * * m STD-BSI BS EN 1377-ENGL 1778 W lb2LIbb7 Ob7315b 417 W Page 5 EN 1399 : 1997 4 Sampling and preparation of test pieces Take a representative s
16、ample from the available material. Take at least one test piece per type of cigarette, of minimum length 100 mm and minimum width 100 mm at equal distances across the sample, the distance between the outer edge of the sample and the nearest edge of the test piece being at least 100 mm. 5 Conditionin
17、g Condition the test pieces and cigarettes at a temperature of (23 f 2) “C and relative humidity of (50 f 5) % for a minimum of 48 h. Maintain them in these conditions until immediately prior to the test. 6 Procedure 6.1 General Use a substantially draught-free environment at room temperature, recor
18、d the temperature when the test is carried out. Use at least one cigarette per cigarette brand. If tests are nin concurrent c) the previous history of the sample; d) the brands of cigarette used, e) temperature at which the test was carried out; f) the cleaning product used and description of the cl
19、eaning process; g) the overall result in accordance with clause 7; h) any deviation from the standard which may have affected the results. 0 BSI 1998 STD.BSI BS EN 1377-ENGL 1798 D Lb24bb7 Ob7315 272 D BS EN 1399 : 1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI
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