CGSB 51-GP-51M-1981 Standard for Polyethylene Sheet for Use in Building Construction《建筑施工用聚乙烯薄板标准》.pdf
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1、-v CGSB 53-GP-53M 3 W 3874b50 0020573 9Y3 Standard for: Polyethylene Sheet for Use in Building Construction This standard applies to flexible sheet material made from low- density polyethylene, primarily intended for use in building con- struction to retard the passage of moisture and water vapor. N
2、orme: Feuille de po I y t h y I ne pour btiments La prsente norme sapplique aux matriaux en feuilles souples faits partir de polythylne faible masse volumique et destins tre utiliss principalement dans les btimentspour retarder le passage de lhumidit et de la vapeur deau. 51 -GP-51 NI February/Fvrie
3、r 1981 CGSB 5L-GP-5LM BL m L874b50 O020572 BAT Ia The CANADLAN GENERAL STANDARDS BOARD, under whose auspices this standard has been deve- loped is a federal government agency engaged in the production of voluntary standards in a wide range of subject areas through the medium of standards committees
4、and the consensus process. The standards committees are representative of relevant interests including producers, consumers and other users, re- tailers, governments, educational institutions, technical, professional and trade societies, and research and testing organizations. The CGSB has been accr
5、edited by the Standards Council of Canada as a national standards- writing organization. The standards that it develops and offers as National Standards of Canada conform to the criteria and procedures established for this pur- pose by the Standards Council of Canada. In addition to standards it pub
6、lishes as National Standards, CGSB produces standards to meet particular needs, in response to requests from a variety of sources in both the public and private sectors. Although the intended primary application of each standard is stated in its Definition or Scope clause, it is important to note th
7、at it remains the responsibility of the user of the standard to judge its suitability for his particular purpose. CGSB standards are subject to periodic review to ensure that they keep abreast of technological progress. Sug- gestions for their improvement, which are always welcome, are brought to th
8、e notice of the standards committees concerned. Changes to standards are issued either as separate amendment sheets or in revised edi- tions of the standards. An upto-date listing of CGSB standards, including details on latest issues and amendments, and ordering instructions, will be found in the Ca
9、talogue of Standards which is published annually, with a supplement, and is available without charge upon request. Further information on the CGSB and its services and standards may be obtained from: Canadian General Standards Board Ottawa, Canada KIA 1G6 La prsente norme a t labore sous les auspice
10、s de LOFFICE DES NORMES GNRALES DU CANADA dont les comits des normes, qui se pro- noncent la majorit des voix, rdigent des normes facultatives intressant les domaines les plus divers. Les comits des normes sont composs de groupes intresss aux normes ltude, notamment les fabricants, les consommateurs
11、 et autres usagers, les dtaillants, les gouvernements, les institutions denseignement, les associations techniques, professionnelles et commer- ciales, ainsi que les organismes de recherche et dessai. Le Conseil canadien des normes a confr IONGC le titre dorganisme rdacteur de normes nationales. En
12、consquence, les normes que lOffice labore et soumet titre des normes canadiennes se conforment aux critres et procdures tablis cette fin par le Conseil canadien des normes. Outre la publication de normes nationales, IONGC rdige galement des normes visant des besoins particuiiers la demande de plusie
13、urs orga- nismes tant du secteur priv que du secteur public. Mme si la dfinition ou lobjet de chaque norme dter- mine de faon prcise lapplication premire que lon peut en faire, il faut remarquer cependant quil incombe lusager, au tout premier chef, de dcider si la norme peut servir aux fins quil env
14、isage. tant donn lvolution technique, les normes de IONGC font lobjet de rvisions priodiques. Toutes les suggestions susceptibles den amliorer la teneur sont accueillies avec grand intrt et portes lattention des comits des normes concerns. Les changements apports aux normes sont publis sous la forme
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- CGSB51GP51M1981STANDARDFORPOLYETHYLENESHEETFORUSEINBUILDINGCONSTRUCTION 建筑 施工 聚乙烯 薄板 标准 PDF

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