{"id":304571,"date":"2024-10-19T20:49:51","date_gmt":"2024-10-19T20:49:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-903-a131990\/"},"modified":"2024-10-25T18:23:50","modified_gmt":"2024-10-25T18:23:50","slug":"bs-903-a131990","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-903-a131990\/","title":{"rendered":"BS 903-A13:1990"},"content":{"rendered":"

Static procedure for determining the relative stiffness characteristics of vulcanized or thermoplastic rubbers over a temperature range of approximately 23\u00b0C to -150\u00b0C.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nCommittees responsible for this British\ufffdStandard <\/td>\n<\/tr>\n
3<\/td>\nContents <\/td>\n<\/tr>\n
5<\/td>\n1 Scope
2 Apparatus
2.1 Torsion apparatus
2.2 Torsional wires
2.3 Test piece rack
2.4 Temperature-measuring device
2.5 Heat-transfer medium
2.6 Temperature control
2.7 Tank
2.8 Stirrer
2.9 Stopwatch <\/td>\n<\/tr>\n
7<\/td>\n3 Test piece
3.1 Preparation of test piece
3.2 Conditioning of test piece
4 Procedure
4.1 Calibration of torsion wire
4.2 Mounting of test piece <\/td>\n<\/tr>\n
8<\/td>\n4.3 Stiffness measurements in liquid media
4.4 Stiffness measurement in gaseous media <\/td>\n<\/tr>\n
9<\/td>\n4.5 Crystallization
5 Number of tests
6 Expression of results
6.1 Twist versus temperature curve
6.2 Torsional modulus
6.3 Relative modulus
6.4 Apparent torsional modulus of rigidity <\/td>\n<\/tr>\n
10<\/td>\nTwist angles for designated values of the relative modules (RM) <\/td>\n<\/tr>\n
11<\/td>\nValues
7 Test report <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Physical testing of rubber – Method for determination of stiffness at low temperature (Gehman test)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2004<\/td>\n14<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":304579,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-304571","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\/304571","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\/304579"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=304571"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=304571"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=304571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}