{"id":306400,"date":"2024-10-19T20:59:27","date_gmt":"2024-10-19T20:59:27","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-3384-22019-tc\/"},"modified":"2024-10-25T18:35:09","modified_gmt":"2024-10-25T18:35:09","slug":"bs-iso-3384-22019-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-3384-22019-tc\/","title":{"rendered":"BS ISO 3384-2:2019 – TC"},"content":{"rendered":"

This document specifies two methods for determining the decrease in counterforce exerted by a test piece of vulcanized or thermoplastic rubber which has been compressed to a constant deformation and then undergoes temperature cycling.<\/p>\n

Method A:<\/b> The temperature is cycled at intervals between a high temperature for ageing and a low temperature for checking the sealing force at this low temperature.<\/p>\n

Method B:<\/b> The temperature is cycled continuously between a high temperature and a low temperature to introduce thermal stress in the test piece.<\/p>\n

The counterforce is determined by means of a continuous-measurement system.<\/p>\n

Two forms of test pieces are specified in this document: cylindrical test pieces and rings. Comparison of results is valid only when made on test pieces of similar size and shape.<\/p>\n

The use of ring test pieces is particularly suitable for the determination of stress relaxation in liquid environments.<\/p>\n

PDF Catalog<\/h4>\n\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
27<\/td>\nNational foreword <\/td>\n<\/tr>\n
31<\/td>\nForeword <\/td>\n<\/tr>\n
32<\/td>\nIntroduction <\/td>\n<\/tr>\n
34<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
35<\/td>\n4 Principle
5 Apparatus <\/td>\n<\/tr>\n
36<\/td>\n5.3 Test environment
6 Calibration
7 Test piece
7.1 Type and preparation of test pieces
7.1.1 General
7.1.2 Cylindrical test pieces <\/td>\n<\/tr>\n
37<\/td>\n7.1.3 Ring test pieces
7.2 Measurement of dimensions of test pieces
7.3 Number of test pieces
7.4 Time interval between forming and testing
7.5 Conditioning of test pieces <\/td>\n<\/tr>\n
38<\/td>\n8 Duration, temperature and test liquid
8.1 Duration of test
8.2 Temperature of exposure
8.3 Immersion liquids
9 Procedure
9.1 Preparation
9.2 Thickness measurement
9.2.1 Cylindrical test pieces
9.2.2 Ring test pieces <\/td>\n<\/tr>\n
39<\/td>\n9.3 Method A <\/td>\n<\/tr>\n
40<\/td>\n9.4 Method B <\/td>\n<\/tr>\n
41<\/td>\n10 Expression of results <\/td>\n<\/tr>\n
42<\/td>\n11 Precision
12 Test report <\/td>\n<\/tr>\n
44<\/td>\nAnnex A(normative) Calibration schedule <\/td>\n<\/tr>\n
47<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Rubber, vulcanized or thermoplastic. Determination of stress relaxation in compression – Testing with temperature cycling<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":306403,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-306400","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\/306400","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\/306403"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=306400"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=306400"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=306400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}