DD CEN/TS 14689-2006

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标准号:DD CEN/TS 14689-2006
英文标准名称:Leather — Physical and mechanical tests — Determination of bagginess, creep and relaxation
标准类型:Y46
发布日期:2006/7/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:Y46
国际标准分类号:59.140.30
引用标准:EN ISO 2418;EN ISO 2419;EN ISO 7500-1
适用范围:This Technical Specification specifies a method of determining the bagginess of leather together with its creepand stress relaxation properties. It is applicable to all non-rigid leathers. e.g. shoe upper leather, upholsteryleather, leathergoods leather and apparel leather. Leather is a viscoelastic material and, upon removal of anyapplied force, only a proportion of the extension observed is recovered. Even some time after removal of theforce there is some degree of permanent deformation which is known as the retained set or bagginess of theleather. Due to the nature of the test method described below it is also possible to obtain a measure of thecreep and stress relaxation properties of leather. Although the creep index quoted is not obtained via the truedefinition of creep, it will however provide a valuable comparative indication of this property in leather.

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