ANSI/ASTM D2152-2010 铜浸入挤压聚氯乙烯管材和模铸管件熔解充分性试验方法

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Product Code:SAE J386
Title:Operator Restraint System for Off-Road Work Machines
Issuing Committee:Hftc4, Operator Seating And Ride
Scope:This standard provides performance and test requirements for operator restraint systems provided for off-road self-propelled work machines.This document applies to pelvic restraint systems (Type 1) for off-road, self-propelled work machines fitted with ROPS and commonly used in construction, earthmoving, forestry, and mining as referred to in SAE J1040 and industrial machines fitted with ROPS as referred to in SAE J1042.【英文标准名称】:PracticeforDeterminingDegradationEndPointinDegradablePolyolefinsUsingaTensile
【原文标准名称】:用张力测定可降解的聚烯烃中降解末端点的实施规程
【标准号】:ANSI/ASTMD3826-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1998-08-17
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;塑料
【英文主题词】:testing;plastics
【摘要】:Thispracticecoversthedeterminationofadegradation-endpoint(abrittlepoint)fordegradablepolyethylene/polypropylenefilmsandsheetinglessthan1.0mm(0.04in.)thick.Thispracticeisnotintendedfordeterminationoftherateofdegreeofdegradationofapolyethylene/polypropylenefilmorsheet,butrather,toassesswheninthecourseofitsdegradationundersomecondition,abrittlepointisreached.Ifonewishestomonitortensileelongationduringthedegradationprocess(suchaswhenthetensileelongationissignificantlygreaterthan5%),TestMethodD882isrecommended.Thispracticeshouldnotbeconsideredtheonlywayofdeterminingadegradation-endpoint.Tensilepropertiesofplastics1.0mm(0.04in.)orgreaterinthicknessshallbedeterminedinaccordancewithTestMethodD638.Useastaticweighing-constantrateofgripseparationtest.Thisprocedureemploysaconstantrateofseparationofthegripsholdingthesampleandastaticloadcell.Note1-Thisprocedureisbasedontheuseofgripseparationasameasureofextension;however,thedesirabilityofusingextensionindicatorsaccurateto?1.0%orbetterasspecifiedinTestMethodD638isrecognized,andaprovisionfortheuseofsuchinstrumentationisincorporatedintheprocedure.Thisprocedurehasbeensuccessfulfordeterminingthedegradationendpointofethylene-carbon-monoxidecopolymersandhasscreenedsuccessfullytwootheradditive-typepolyethylenesinaroundrobintest.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.7ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语