{"id":372495,"date":"2024-10-20T02:29:33","date_gmt":"2024-10-20T02:29:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-99322021\/"},"modified":"2024-10-26T04:20:51","modified_gmt":"2024-10-26T04:20:51","slug":"bs-iso-99322021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-99322021\/","title":{"rendered":"BS ISO 9932:2021"},"content":{"rendered":"

This document describes general test methods for determining the water vapour transmission rate of sheet materials by means of a dynamic gas method or a static gas method. Depending on the method and specific apparatus employed, materials up to 38 mm thick and with water vapour transmission rates in the range from 0,05 g\/(m2<\/sup>\u00b7d) to 65 g\/(m2<\/sup>\u00b7d) can be tested. The basis of the function of the instrumental techniques is briefly described. Advice on calibration is given in Annex B<\/span>.<\/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
4 Method A: Dynamic sweep gas method
4.1 Principle <\/td>\n<\/tr>\n
10<\/td>\n4.2 Apparatus <\/td>\n<\/tr>\n
11<\/td>\n5 Method B: Static gas method
5.1 Principle
5.2 Apparatus <\/td>\n<\/tr>\n
12<\/td>\n6 Sampling <\/td>\n<\/tr>\n
13<\/td>\n7 Preparation of test pieces
8 Procedure
8.1 Method A
8.2 Method B
8.3 Barrier material having one face of uncoated paper <\/td>\n<\/tr>\n
14<\/td>\n8.4 Creased material
9 Expression of results
10 Precision
10.1 General statement of the precision
10.2 Method A
10.3 Method B
11 Test report <\/td>\n<\/tr>\n
15<\/td>\nAnnex A (normative) Saturated saline solutions <\/td>\n<\/tr>\n
16<\/td>\nAnnex B (normative) Calibration <\/td>\n<\/tr>\n
17<\/td>\nAnnex C (informative) Comparison of dynamic method with gravimetric method <\/td>\n<\/tr>\n
18<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Paper and board. Determination of water vapour transmission rate of sheet materials. Dynamic sweep and static gas methods<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":372504,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-372495","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/372495","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\/372504"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=372495"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=372495"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=372495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}