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ICS79.020B67LYForestryIndustryStandardofthePeople'sRepublicofChinaLY/T2150—2013Bamboocurtain竹窗帘(EnglishTranslation)Issuedate:2013-03-15Implementationdate:2013-07-01IssuedbyStateForestryAdministrationForewordSAC/TC263isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.ThisstandardisdraftedinaccordancewiththerulesgivenintheGB/T1.1-2009.ThisstandardwasproposedandpreparedbySAC/TC263,NationalTechnicalCommitteeonBambooandRattanofStandardizationAdministrationofChina.Bamboocurtain1ScopeThisstandardspecifiestheclassifications,termsanddefinitions,dimension,appearancequality,physicalandchemicalpropertiesrequirements,testmethods,inspectionrules,marking,labeling,packaging,transportationandstorageregardingbamboocurtains.Thisstandardisapplicabletobamboocurtainsmanufacturedofbamboomaterials,andalsoapplicabletootherbambooproductsmanufacturedthroughsameprocess.2NormativereferencesTherearenonormativereferencesinthisdocument.3BasicterminologyForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.3.1manualbamboocurtainmadeofbamboostripswithround-,rectangular-,orelliptical-shapedcross-section,whicharemanuallyassembledandinterwovenwithplastic,linen,ornylonthreads3.2machine-madebamboocurtainmadeofbamboostripswithround-,rectangular-orelliptical-shapedcrosssection,withbamboostripsaremechanicallyassembledandstitchedtogetherwithplastic,linen,ornylonthreads,andwithorwithoutterylene/cottongauzegluedontheback;lengthofthestripsisthewidthofthebamboocurtain3.3longitudeline/latitudelinethelinethatparalleltothelengthdirectionofbamboocurtain;latitudelineisthelineperpendiculartothelengthdirectionofbamboocurtain3.4unitbamboostripusedforbamboocurtainknitting4ClassificationsBamboocurtaincanbeclassifiedintotwocategoriesbymanufacturingmethod:manualbamboocurtainandmachine-madebamboocurtain.5Dimensionrequirements5.1DimensionDimensionofbamboocurtainshallbedeterminedbycontractbetweensupplierandpurchaser.5.2Tolerance5.2.1DeviationoflengthandwidthLengthandwidthofbamboocurtainshallbemeasuredandroundedtonearest1mm,withanaccuracyof0.1%ofthewidthorlength.5.2.2Toleranceoflengthandwidth±5mm.5.2.3DiagonaldifferentiallengthDiagonaldifferentiallengthofabamboocurtainisthedifferencebetweentwodiagonallengthsofacurtainmeasuredwithameasuringtapealongdiagonaldirectionofthebamboocurtain,readingtothenearestmillimeter.Thediagonaldifferentiallengthshallbelessthan25mm.6AppearancequalityAppearancequalityofabamboocurtainshallmeetthespecificationsforeachgradeasdescribedintable1.Table1SpecificationofbamboocurtainappearancegradingItemGradeIGradeIIGradeIIIFace-sidesmoothsurfaceandconsistentcolor;smoothsurfaceandmostlyconsistentcolor;smoothsurfaceandmostlyconsistentcolor;noabrasionmarks,looseparts,mold,wormhole,corrosionandstainsorcontaminants;noabrasionmarks,looseparts,mold,corrosionandstainsorcontamination;nomorethanone(1)wormholeforbamboostripsanditsdiameterlowerthanone-fifth(1/5)ofstripwidth;nolooseparts;minorabrasionmarks;nomorethanthree(3)spotsofcorrosion,wormhole,mold,stainsorcontaminationforbamboostrips;anddiameterslowerthanone-fourth(1/4)ofstripwidth;slightlyuneven;slightlyuneven;slightlyuneven;nostandingfibresorminorsplitsbyvisualinspectionandhand-feel;nostandingfibresorminorsplitsbyvisualinspectionandhand-feel;nostandingfibresorminorsplitsbyvisualinspectionandhand-feel;uniforminshapeandsize,andarrangedintopredeterminedpattern(s)forbamboostrips.mostlyuniforminshapeandsize,andarrangedintopredeterminedpattern(s)forbamboostrips.mostlyuniforminshapeandsize,andarrangedintopredeterminedpattern(s)forbamboostrips.Back-sidesmoothandevensurface;smoothandevensurface;smoothandmostlyevensurface;noabrasionmarks,stainsorcontaminantslikegreaseandwater;noabrasionmarks,stainsorcontaminantslikegreaseandwater;noabrasionmarks;Numberofspotswithstainsorcontaminantslikewaterorgreaselowerthan2perm2;nostandingfibersorminorsplitsbyhand-feel.nostandingfibersorminorsplitsbyhand-feel;;nostandingfibersorminorsplitsbyhand-feel;Numberofstripswithminorconcavelessthan8percurtain.Numberofstripswithminorconcavelessthan20percurtain.SewingqualityTheedgebandtightlyattachedtocurtainedgesandnowrinkles;Theedgebandtightlyattachedtocurtainedgesandnowrinkles;TheedgebandtightlyattachedtocurtainedgesandnoobviouswrinklesStitchinglinesstraight,neat,evenandsecurewithrighttension;Stitchinglinesstraight,neat,andsecurewithrightthreadtensionandmostlyeven;Stitchinglinesstraight,neat,andsecurewithrightthreadtensionandmostlyeven;noskippingormissingstitches.skippingstitches:nomorethan2within200mm,nomorethan3percurtain;missingstitches:nomorethan20mmperoccurrence,nomorethan5occurrencespercurtain;skippingstitches:nomorethan4within200mm,nomorethan5percurtain;missingstitches:nomorethan30mmperoccurrence,nomorethan8occurrencespercurtain.Stitchdensitynolessthan4stitchesper50mmformachine-madecurtainwithedgebanding.nolessthan4stitchesper50mmformachine-madecurtainwithedgebanding.nolessthan5stitchesper50mmformachine-madecurtainwithedgebanding.7Phy