{"id":305819,"date":"2024-10-19T20:56:23","date_gmt":"2024-10-19T20:56:23","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-25282017\/"},"modified":"2024-10-25T18:31:21","modified_gmt":"2024-10-25T18:31:21","slug":"bs-iso-25282017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-25282017\/","title":{"rendered":"BS ISO 2528:2017"},"content":{"rendered":"

This document specifies a method for the determination of the water vapour transmission rate (often erroneously called \u201cpermeability\u201d) of sheet materials.<\/p>\n

This method is not generally recommended for use if the transmission rate is expected to be less than 1 g\/m2<\/sup> per day or for materials thicker than 3 mm. In such cases the method specified in ISO 9932 is preferred.<\/p>\n

The method cannot be applied to film materials that are damaged by hot wax or that shrink to an appreciable extent under the test conditions used.<\/p>\n

For some purposes it may be necessary to determine the transmission rate of creased material; a procedure for this is given in Annex A.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Principle
5 Apparatus and material <\/td>\n<\/tr>\n
13<\/td>\n6 Sampling
7 Conditioning
8 Preparation of test pieces <\/td>\n<\/tr>\n
14<\/td>\n9 Preparation of dishes
9.1 General
9.2 Use of wax and a cover template [5.3 b)]
9.3 Use of wax and a ring template [5.3 a)]
10 Procedure
10.1 General method <\/td>\n<\/tr>\n
15<\/td>\n10.2 Use of blank assemblies
10.3 Creased sheet
11 Expression of results <\/td>\n<\/tr>\n
16<\/td>\n12 Precision
13 Test report <\/td>\n<\/tr>\n
17<\/td>\nAnnex A (normative) Method for determination of water vapour transmission rate of creased materials <\/td>\n<\/tr>\n
21<\/td>\nAnnex B (normative) Test conditions <\/td>\n<\/tr>\n
22<\/td>\nAnnex C (informative) Sealing waxes <\/td>\n<\/tr>\n
23<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Sheet materials. Determination of water vapour transmission rate (WVTR). Gravimetric (dish) method<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2017<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":305826,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1184,2641],"product_tag":[],"class_list":{"0":"post-305819","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-140-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/305819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/305826"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=305819"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=305819"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=305819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}