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Industry news
EPDM waterproof coil material construction process and method
Afterthewaterproofcoatingisapplied,itisbesttocurethefilmwithafilmbeforeitcanbeappliedtothecoil.Specialemphasisisplacedonthewaterproofingmembranedirectlyinthewaterproofcoatinglayerconstruction,thebondingmaterialmustbecompatiblewiththecoilandwaterproofcoating,supportingspecialadhesives,adhesivetape,sealingmaterials,etc.fortheprocessingofcoiljointsAfterthedetachmentstrengthoftheadhesiveisimmersedfor168hours,theretentionrateshouldbegreaterthan70%,otherwiseitisnotallowedtobeused. A,EPDMwaterproofcoilconstructiontechnology ReinforcementtreatmentofcomplexpartsWaterprooftreatmentofpileheadsSpecialadhesiveforcoatingbaselayerLayingofEPDMcoilsCoilseamsandendtreatmentWaterproofprotectivelayer. B,pileheadwaterprooftreatment: Thepileheadsteelbarissealedwithawaterstop,thepileextendsintothecap50mm,thepileheadwaterproofingmethodisconstructedaccordingtothe24node1ofShaanxi02J10page,andthe2mmthickwaterproofcoatingismadebythepiletopandthe150mmcircleoutsidethepile.The300mmouterringofthepileiscompactedwithwaterproofmortar,andthejointbetweenthecoilandthepileissealedwithpolyurethane. C,coilpavingmethod: (1)Afterthecoilandbaselayerarebasicallydry,thehandcanbelaidfor15~20min.Thewidthofthefull-bondingmethodis100mm,andthejointisstaggeredby250mm. (2)Beforethepaving,itisnecessarytocontroltheelasticwire(pullwire).Thesizeofthecoilshouldbecalculatedinadvancebetweenthepilesinthebasementfloortoensurethepavingistight.Andthecoilsaregluedevery1mtothestandardline.Immediatelyaftereachroll,rollthesheetwithacleanandsoftlongbrushtoremovetheairbetweenthebondinglayers.Aftertheairisremoved,thepressurerollerisusedtorollalongthebondingsurface. Coillapjointsandendsmustbetreatedwithaspecialjointadhesiveandsealant. Afterthequalityofthewaterproofinglayerofthecoilisqualified,theprotectivelayercanbeused.TheprotectivelayerismadeofC20finestoneenamelwithathicknessof50mm.Whenthefinestoneshovelispoured,thewaterproofcoiledlayershouldnotbedamaged. D.Undergroundoutdoorenclosure2:8limesoilwaterproofing,onecircleoutsidetheundergroundoutdoorwall,outsidethe40mmthickpolystyreneboardprotectivelayerofEPDMwaterprooflayer,1mwide,6.6mhigh,2:8limesoilbackfilled,Thesoilmustbegoodloess,theashmustbematuredandsieved,thesoilparticlesizeisnotmorethan1.5cm,theashparticlesizeisnotmorethan0.5cm,thesoilandashshouldbestirredevenly,thelayeredbackfilliscompacted,andthecompactioncoefficientisgreaterthan0.95coefficient.Thelimesoilshouldbefirstreportedasacompactiontest.Thesoilmoisturecontentshouldbeclosetotheoptimalwatercontent,andthecontrolrangeis±2.Themechanicaltampingadoptsafrogtypesmashingmachine,whichcanbeartificiallycompactedbythecornerofthewall.Thethicknessofeachlayerofpavingsoilis20~25cm,andthethicknessofeachlayeris12cm.Accordingtotheregulations,thesoilissturdy,andeachlayerisgroundedwitharingcutterforsoilinspectiontocheckwhetheritmeetsthestandard.Reworkisnotrequired.Thecompactionfactormustmeetthedesignrequirements.Thewatercontentshouldbecontrolledtoanoptimummoisturecontentofabout±2%. (transferredfromBaiduExpress)
2019-06-18
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Industry news
Pvc conveyor belt material and classification
ThePVCconveyorbeltismadeofpolyvinylchloride(PVC),whichiscomposedofpolyesterfiberclothandpolyvinylchloriderubber.Theworkingtemperatureisgenerally-10°to+80°,andthejointmodeisgenerallyaninternationaltoothedjoint,andthelateralstabilityisgoodfortransmissionundervariouscomplicatedenvironments. First,accordingtoindustryapplicationclassification,PVCconveyorbeltproductscanbedividedintotobaccoindustryconveyorbelt,logisticsindustryconveyorbelt,packagingindustryconveyorbelt,printingindustryconveyorbelt,foodindustryconveyorbelt,woodindustryconveyorbelt,foodprocessingindustryconveyorbelt,conveyorbeltsfortheentertainmentindustry,conveyorbeltsfortheaquaticindustry,conveyorbeltsforthestoneindustry,etc. Second,accordingtotheperformanceclassificationcanbedividedinto:lightclimbingconveyorbelt,highclimbingconveyorbelt,plusbaffleliftingconveyorbelt,verticalhoistbelt,non-slipconveyorbelt,sandingmachineconveyorbelt,wear-resistantconveyorbelt,Heaviergoodsconveyorbelt,lightgoodsconveyorbelt,guidedanti-runningconveyorbelt,perforatedsuctionconveyorbelt(suctionfanbelt),beltnailconveyorbelt,spiralliftingconveyorbelt,turningliftingconveyorbelt,ultra-wideitemsConveyorbelt,spongeconveyorbelt,grooveconveyorbelt,plusblockconveyorbelt,edgebeltconveyorbelt,troughconveyorbelt,knifeedgeconveyorbelt,etc.Third,accordingtotheproductthicknessandcolorresearchanddevelopmentpoints,canbedividedintodifferentcolors(red,yellow,green,blue,gray,white,black,darkbluegreen,transparent),thicknessoftheproduct,thicknessfrom0.8MMto11.5MMProductionandproduction.Fourth,accordingtotheproductpatternresearchanddevelopmentpoints,canbedividedintolawnpattern,fishbonepattern,diamondpattern,crosspattern,meshpattern,invertedtrianglepattern,horseshoepattern,zigzagpattern,smalldotpattern,diamondpattern,snakeskinpattern,clothpattern,largeroundtablepattern,wavepattern,seesawpattern,one-linepattern,thinstraightpattern,golfpattern,largesquarepattern,mattpattern,coarsepattern,checkeredpattern,etc. Fifth,accordingtothePVCconveyorbeltproductfabriclevelcanbedividedinto:oneclothoneglue,twoclothoneglue,oneclothtwoglue,twoclothtwoglue,twocloththreeglue,threecloththreeglue,threeclothfourglue,fourclothFourglue,fourclothfiveglue,fiveclothfiveglueandsoon.Sixth,accordingtothetemperaturerangeofPVCconveyorbeltproductscanbedividedinto:cold-resistantconveyorbelt(minusbelow40°)normaltemperatureconveyorbelt(minus10°to80°)WiththepopularizationofthePVCconveyorbeltmarketisbecomingmoreandmoremature,allindustrialfieldsIndifferentdegreesofresearchanddevelopmentandapplicationofitsreasonable,scientificandsecureconstructiveprograms. PVCconveyorbeltproductfeatures ThePVCconveyorbelthasgoodelasticityandisnoteasilydeformed.Itismadeofhigh-strengthandhigh-qualitycotton,nylonandpolyestercanvasasthecore.Itismadeofpurenaturalrubberandnon-pollutingcompoundingagenttomakewhiteorlightcolor,nopollution,anddoesnotaffectthefoodhygieneodorcoating.PVCconveyorbeltproductformuladesignisreasonable,inlinewithhealthindicators,moderatecolor,lightanddurable.PVCconveyorbeltsaresuitableforthefoodindustryorthefoodsectortotransportbulk,canned,packagedfoodorfoodtoalargeparticlesizeof400,andthedeliveryvolumecanrangefrom1cubicmeter/hourto6000cubicmeters/hour. (transferredfromBaidu) ThePVCconveyorbeltproductsofKeqiangNewMaterialsCo.,Ltd.areasfollows:
2019-04-26
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Industry news
EPDM waterproofing membrane
EPDMwaterproofingmembraneisoneofthemosthighlyreliablewaterproofmaterialsintheworld.Itisoneofthemostcommonlyusedwaterproofmaterialsintheworld.ItisoneofthenewchemicalbuildingmaterialspromotedbytheMinistryofConstruction..EPDMrubberwaterproofingmembraneadoptsthemostadvancedcontinuousextrusionvulcanizationofpolymerelastomerwaterproofingmembraneintheworld.Itisaproductionequipmentandprocesswithcomputercontrolandstableprocess.Thematerialselectionisstrict,theformulaisadvanced,andtheproductionisorganizedaccordingtotheISO9001qualitysystem.Thewholeproductionprocessisalwaysunderthecontrolstate,ensuringthehighperformanceandhighqualityoftheproduct,makingthewaterproofcoilmaterialmorecompact,nobubble,noverticalandhorizontalperformancedifference.TheproductperformancehasreachedorexceededtheGB18173.1-2000standardandhasreachedtheadvancedlevelofsimilarforeignproducts.
2019-01-30
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