【英文标准名称】:Methodsoftestingplastics-Dimensionalproperties-Shrinkageonheatingoffilmintendedforshrinkwrappingapplications
【原文标准名称】:塑料的试验方法.第6部分:尺寸特性.试验方法643A:收缩包装用薄膜热缩变
【标准号】:BS2782-6Method643A-1976
【标准状态】:现行
【国别】:英国
【发布日期】:1976-12-15
【实施或试行日期】:1976-12-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验条件;收缩性试验;膜(物态);热试验;捆扎;尺寸;试验设备;试样;高聚物;收缩;塑料和橡胶技术;尺寸测量;塑料;包装材料;设计;收缩包装
【英文主题词】:Design;Dimensionalmeasurement;Dimensions;Films(statesofmatter);Packagingmaterials;Plastics;Plasticsandrubbertechnology;Polymers;Shrinkwrapping;Shrinkage;Shrinkagetests;Testequipment;Testspecimens;Testingconditions;Thermaltesting;Wrapping
【摘要】:Thismethoddescribesaprocedurefordeterminingtheextenttowhichplasticsfilmsshrinkwhenheatedinanunrestrainedstate.Forfilmsofdifferentmaterials,appropriatetesttemperaturesarespecified.Itshouldbeappreciatedthatforsomematerials,theshrinkageobtainedinindustrialusemaydifferfromthevaluesobtainedbythistestmethod.Theshrinkageoffilmasdeterminedbythismethodisusuallymeasuredintwodirectionsatrightanglestoeachotherintheplaneofthefilm.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:2P.;A4
【正文语种】:英语