{"id":306152,"date":"2024-10-19T20:58:12","date_gmt":"2024-10-19T20:58:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-237062020\/"},"modified":"2024-10-25T18:33:33","modified_gmt":"2024-10-25T18:33:33","slug":"bs-iso-237062020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-237062020\/","title":{"rendered":"BS ISO 23706:2020"},"content":{"rendered":"<p>This document describes a test method to determine the activation energy (<i>E<\/i><sub>a<\/sub>) of photochemical degradation reactions in accelerated weathering tests according to the Arrhenius model in the most comprehensive manner.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions and abbreviated terms <br \/> 3.1 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3.2 Abbreviated terms <br \/> 4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5 Apparatus <br \/> 5.1 General <br \/> 5.2 Surface temperature measurement <br \/> 6 Test specimens <br \/> 7 Test method <br \/> 7.1 Test conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>7.2 Test duration <br \/> 7.3 Increased\/decreased temperatures <br \/> 7.4 Calculation of activation energy, Ea <br \/> 7.4.1 Exposures at two different temperatures  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>7.4.2 Exposures at two or more different temperatures <br \/> 8 Exposure conditions <br \/> 9 Procedure <br \/> 9.1 General <br \/> 9.2 Mounting the test specimens <br \/> 9.3 Exposure <br \/> 9.4 Measurement of radiant exposure  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>9.5 Determination of changes in properties after exposure <br \/> 10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Annex A (normative)  Arrhenius concept  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Annex B (informative)  Examples  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex C (informative)  Effective temperature calculation  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Annex D (informative)  Potential contributions to the uncertainty budget  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Plastics. Determination of apparent activation energies of property changes in standard weathering test methods<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":306159,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1177,2641],"product_tag":[],"class_list":{"0":"post-306152","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-01","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\/306152","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\/306159"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=306152"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=306152"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=306152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}