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ICS79.060.01B70ForestryIndustryStandardofthePeople'sRepublicofChinaLY/T2874—2017Wood-basedslotboardforexhibition陈列用木质挂板（EnglishTranslation）Issuedate:2017-06-05Implementationdate:2017-09-01IssuedbyStateForestryAdministrationofthePeople’sRepublicofChinaLYLY/T2874—20172LY/T2874—2017IForewordSAC/TC198isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsoftheEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.ThisstandardwasdraftedinaccordancewiththerulesgiveninGB/T1.1—2009.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethesubjectofpatentrights.Theissuingbodyofthisdocumentshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisstandardwaspreparedbySAC/TC198,NationalTechnicalCommitteeonWood-basedPanelsofStandardizationAdministrationofChina.LY/T2874—20171Wood-basedslotboardforexhibition1ScopeThisstandardspecifiesthetermsanddefinitions,classification,requirements,inspectionmethodsandinspectionrules,aswellasmarkings,packaging,transportation,andstorageofwood-basedslotboardfordisplay.Thisstandardappliestothewood-basedslotboardfordisplaydefinedinsubclause3.1.2NormativereferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.GB/T2828.1—2012Samplingproceduresforinspectionbyattributes—Part1:Samplingschemesindexedbyacceptancequalitylimit(AQL)forlot-by-lotinspectionGB/T17657—2013Testmethodsofevaluatingthepropertiesofwood-basedpanelsandsurfacedecoratedwood-basedpanelsGB18580Indoordecoratingandrefurbishingmaterials—Limitofformaldehydeemissionofwood-basedpanelsandfinishingproductsGB/T18585Indoordecoratingandrefurbishingmaterials—LimitofharmfulsubstancesofwallpapersGB/T19367—2009Wood-basedpanels—Determinationofdimensionsofpanels3TermsanddefinitionsForthepurposeofthisdocument,thefollowingtermsanddefinitionsapply.3.1wood-basedslotboardforexhibitionwood-basedslotboardfordisplayslatwallpanelfordisplayproductmadeofwood-basedpanelswithmachinedgroovesfittedwithaluminumalloyorplasticinsertsforarticledisplayordecoration3.2LY/T2874—20172slotdentjaggedgroovingedgesonthedecorativesurfacecausedbyimpropermachining3.3slotportbreakagewaneorbreakageattheendsofaslot3.4distancebetweenadjacentslotsspacingoftwoadjacentgrooves3.5insertalloyorplasticcomponentwithconstantprofilesfittedintheslot/grooveofwood-basedslotboardfordisplay3.6loadbearingcapacitymaximumweightawood-basedslotboardcanbearthroughthehangerfittedintotheinserts4Classifications4.1Accordingtothewood-basedpaneltypesa)fiberboardslotboard;b)particleboardslotboard;c)plywoodslotboard;d)orientedstrandboard(OSB)slotboard.4.2Accordingtoloadbearingcapacitya)light-dutyslotboard;b)medium-dutyslotboard;c)heavy-dutyslotboard.LY/T2874—201734.3Accordingtosurfacedecorativematerialsa)resin-impregnatedpaperoverlaidslotboard;b)PVC(polyvinylchloride)filmoverlaidslotboard;c)decorativeveneeroverlaidslotboard.5Requirements5.1AppearancequalitySlotboardsaredividedintoSuperiorGradeandQualifiedGradeaccordingtotheappearancequalityoftheface.TherequirementsofappearancequalityshallconformtoTable1.Table1RequirementsforappearancequalityDefectSuperiorGradeQualifiedGradeSlotdentNotpermittedPermittediftheinsertisnotrevealedSlotportbreakageNotpermittedPermitteduptoawidthof3mmandupto2breakagesevery10slotsColorunmatchingPermittedifitisnotconspicuousSurfacecheckaNotpermittedTearingofresinimpregnatedpaperaNotpermittedPermitteduptooneifthetearinglengthisnomorethan100mmWrinklebNotpermittedPermittedifitisnotconspicuousBubblebNotpermittedPermittedifitisslightSplit,strip-missingcMaximumwidth/mmNotpermitted1Maximumlength/mmNotpermitted200GapcMaximumwidth/mmNotpermitted0.5Maximumlength/mmNotpermitted300Dent,imprint,bulgecPermittednumberin1m2Notpermitted1OverlapcMaximumwidth/mmNotpermitted0.5DelaminationNotpermittedBlisterNotpermittedStainingPermittedifitisnotconspicuousSharpedgeoninsertNotpermittedNote:undertheinspectionconditionandinspectedwithanormalvision,“slight”meansvisiblewithin0.5m,,“notconspicuous”meansvisibleatthedistanceof1m,and“conspicuous”meansvisibleatthedistanceofmorethan1m.aApplicabletoresinimpregnatedpaperoverlaidslotboardonly.bApplicabletoPVCfilmoverlaidslotboardonly.cApplicabletodecorativeveneeroverlaidslotboardonly.LY/T2874—201745.2Dimensionsandtolerances5.2.1DimensionLength:2440mm,2400mm,1220mm,1200mm;Width:1220mm,1200mm;Thickness:15mm,16mm,18mm;Distancebetweenadjacentslots:75mm,100mm,150mm.Otherdimensionscanbenegotiatedbetweenthesupplierandthebuyer.5.2.2DimensionaltolerancesDimensionaltolerancesshallconformtotherequirementslistedinTable2.Table2DimensionaltolerancesItemUnitToleranceLengthmm/m±2.0Widthmm/m±2.0Thicknessmm±0.3Squarenessmm/m≤1.0Edgestraightnessmm/m≤1.0Distancebetweenadjacentslotsmm±2.05.3Physicalandchemicalproperties5.3.1Thephysicalandchemicalpropertiesofresin-impregnatedpaperoverlaidslotboardsshallconformtotherequirementsspecifiedinTable3.LY/T2874—20175Table3Requireme