AgriculturalBlownFilm

農膜技術與設備AndyBarnesSalesManagerBlownFilmEuropeAgriculturalFilmTheterm‘agriculturalfilms’isusedtodescribethediverserangeofplasticfilmsthatareusedforagriculturalapplications.農膜是一個描述農業用塑料膜的廣泛名稱TheseincludeGreenhouseFilms,MulchFilms,Water/SoilProtectionFilms,FumigationFilms,SilobagsandSilageWrap.包括大棚膜，地膜，水土保持膜，熏蒸膜，袋膜和青草膜Thicknessrangesfrom10micronto300micron.厚度：10－300micronWidthsfromafewhundredmillimetrestoover20mwidesheet.

寬度從幾百微米到20多米AgriculturalFilmsSilobags袋膜Greenhouse大棚膜TypicalAgriculturalFilmFumigationFilms熏蒸膜LowtunnelFilms低蓋膜AgriculturalfilmsMulchfilms地膜Silagewrap青儲膜AgriculturalFilmsAgfilmcompeteswithmanyothermaterialsincludingcloth,straw,Sacking,non-wovencloth,fabric,fibreglass,glass,metal,organicmulch,andwoodchips農膜涵蓋很多其他材料，包括布，草芥，袋，無紡布，纖維，玻纖，玻璃，金屬，有機地膜和木片.TYPESOFAGRICULTURALFILMAPPLICATIONS

農膜應用類型Agriculturalfilmvariesinthickness,dependinguponitsapplication.根據不同應用，農膜厚度有很大不同Gaugesofagriculturalfilmrangefrom15micronsto300microns.厚度從15到300微米Thickerfilmsareappliedwherelongerlifefilmsareimportantandharshweatherandwindconditionsareafactor.厚膜可應用到長時間使用的地方，天氣和風的調件是考慮因素Thickergaugeagriculturalfilmsincludewater/soilconservationfilmandgreenhousefilm.厚膜包括水土保持膜和大棚膜Othertemporary,short-livedagriculturalfilmsincludemulchfilm,fumigationfilm,andcropstorageorsilofilmwhereathinnergaugefilmissufficient.短時短壽的農膜包括地膜，熏蒸膜和袋膜AgriculturalFilmSomeoftheadvantagesofpolyethyleneagriculturalfilmcomparedtocompetingmaterialsarePE農膜和其他材料比較有如下優點Increasedcropyield促進作物產量Environmentalstability環境穩定Lowermaterialcosts

材料成本低Lowerinstallationcostscomparedtomanyothermethods

安裝成本低Lowermaintenancecosts

維護成本低Loweroperatingcosts

操作成本低Increasedprofitability利潤提高AgriculturalFilmThefilmsusedforthesearebasedonLDPE/LLDPE,butincreasinglyEVAfilmisgainingmarketshare.用于這些膜的材料主要為LDPE/LLDPE,EVA膜開始增長EVAcopolymersofferbenefitsintermsofmechanical,opticalandthermalpropertiesoverLDPE.

EVA共聚物與LDPE比較可改善機械性能，光學和熱性能VariousadditivesareUsedtoobtaincertaincharacteristicsandcertainpropertiesoftheFilm通過加入各種添加劑，可獲取特定的特性和性能TypicalAgriculturalFilmSpecifications

典型農膜規格ThemainresinsusedforagriculturalfilmsareLDPEandEVACopolymerswhichcanbeusedinblendswithLLDPE.用于農膜的主要樹脂是LDPE和與LLDPE混合的EVA共聚物Bycarefulchoiceofresins,andadditives,Youcanexpecttoachievesomeorallofthefollowingbenefits通話謹慎的選取樹脂和添加劑，可取得如下全部或部分的特點Higheryieldpersquaremetre每屏幕的高產Precocity(earlyripening)早熟Superiorcropquality高質量的谷物Producingoutofseason季后生長Watermanagement水的管理FilmProperties

膜的性能

TensileProperties拉伸性能Thestrengthofafilmcanbeexpressedinmanyways.Thecombinationofhightensilestrengthandhighelongationatbreakindicatethatthefilmcanwithstandstrongforceswithoutbreaking.膜的拉伸強度有很多表述方法。高的拉伸強度和高斷裂伸長率的結合可表明該膜可經受強力的拉伸而沒有斷裂Creep蠕變Lowcreepisahighlydesiredpropertyforgreenhousefilmsandindicateshowmuchforceisretainedwhenthefilmisunderhighstress.低蠕變是大棚膜所希望的性能，表面膜在高應力下可承受的力FilmProperties

膜的性能Clarity

透明度Films,whichremainhighlytransparent,arenecessaryfortheagriculturalindustry.EVAcompoundstypicallyproducefilmsthattransmitupto20%morelightthanconventionalpolyethylenefilms.對于農業來說，膜保持高的透明度很重要。EVA混合物可比傳統PE膜提高透光率20％以上MulchFilm

地膜Mulchfilmisalsoavailableinothercolourssuchassilverandwhite.地膜也可有其他顏色，如銀和白Whitemulchfilmistypicallyusedforreflectancetokeepseedlingsfromgettingtoohot.白色地膜可用于反射以保持秧苗的溫度

Silveragriculturalfilmisalsousedforreflectanceandsoiltemperaturereduction.銀色膜也用于反射保持土壤的溫度的降低CropStorage&SiloFilm

作物儲存和倉儲膜

Polyethylenefilmsareextensivelyusedinthismarketsegmentformanyapplicationssuchas:PE膜被廣泛用于這個領域的多種應用Temporarysilos

臨時倉儲Linersforgrainstoragefacilities

谷物倉儲設備的內襯Groundsheets

地襯Flexiblebags

軟袋Flexiblesilagebagsspeedupfermentationofgreenfeedintosilage

軟袋可加速綠色飼料在倉儲中的發哮CropStorage&SiloFilm

谷物存儲和倉儲膜Flexiblebagshelpkeeptheproductfreshwhilereducingadditionalstoragespace.軟袋可保持產品的新鮮，并減少額外的儲存空間Polyethylenefilmsarealsousedashaybalecoversandcropdryingcoversinbadweather.PE膜也用于捆包的干草的覆蓋，并在不好天氣時的干燥谷物的覆蓋SomecropstorageandsilofilmscontainUVinhibitorstoextendfilmlife,andareheavydutyandreusable.

一些谷物儲存和倉儲膜可含有抗UV添加劑以延長膜的壽命，并可耐重和再次使用AgriculturalFilmsAgriculturalfilmmachineryneeds農膜機械的需求5Mand7Mwidestationarynips5－7米的固定卡輥Gussetedandfoldedfilms插板和折疊的膜HighOutputscrewsgoodmixingandIBC高產，良好混合和內冷FoldingdevicetoproduceU-fold;C-fold;doubleC-foldandotherpossibilities可進行U，C,雙C和其他可能折疊的裝置Specialwindersforsmallrollsandautomatictransfer用于小卷和自動換卷的特殊的收卷機APPLICATIONSUMMARY

應用總結

MulchFilm:

地膜30–90micron,1000–1200mmWideClear/Pigmented,無色/顏色GreenhouseFilm

大棚膜100–250micron,4–18mWideClearVariousadditivesutilised無色各種添加劑FumigationFilms

熏蒸膜20–40micron,4–12mWideClearfilm無色SilageWrap儲存膜

25–150microns700–1600mmPigmented(white/whiteblack/whiteblack/black)顏色（白/白黑/白黑/黑）Water/SoilProtection

水土保持100–300microns+“Geomembrane”土工膜4–16mClear/pigmented無色/顏色TypicalLineConfiguration

典型生產線配置1x150mmand2x115mmExtruders擠出機3x4ComponentBlending組分ControlSystem控制1.2m-2m3LayerDie三層模頭DualLipAirRing雙口模氣環IBCCoolingCoils冷卻彎管Cage/BubbleStabilization泡籠/膜泡穩定CollapsingFrames人字板GussetBoards差板3.5m-4.5mPrimaryNipRoll主卡輥25-30mTower塔架WidthMeasurementSystem寬度測量系統CoolingRollStation冷卻輥站Foldingstation折疊站SecondaryNipAssembly第二卡輥裝置SlitterStation分切站AutomatedWinder自動收卷機RollHandlingequipment卷處理設備AgFilm

ProductStructures

農膜的結構Monolayer單層Limitedflexibilityinfilmproperties農膜的性能靈活性有限Cannotmeetrequirementsformanyoftoday'sapplications不能滿足當今很多應用要求Co-extrusion共擠Allowsselectivityofresinsandblendstoachievedown-gaugingandtailoredfilmproperties可對樹脂和混合物有多種選擇，以取得薄的和特制的性能Allowsprocessortocontrolpropertiesofeachlayertodevelopaproductthatmeetsawiderangeofspecificrequirements可控制單層性能，開發各種特定要求的產品Improveseconomicsofproductionbyreducingtheamountofadditivesrequired減少添加劑的數量提高生產經濟性Davis-StandardStrengths

戴維斯-標準的優勢Extrusion+ScrewTechnology擠出＋螺桿技術DieTechnology(Inhousemanufacturingcapabilities)模頭技術（自己加工的能力）AirRing/GaugeControl(havesuppliedAPCsystemto1.7Mdiameter)氣環/厚度控制（可提供自動膜厚控制系統，1.7米直徑）IBCSystem 內冷系統LayflatControl 折徑控制CollapsingSystems人字板系統LineIntegration 生產線總成Winders 收卷機AfterSalesSupport售后服務支持RawMaterials-BaseResins

原材料-基本樹脂PrimaryComponents:LDPEandEVAcopolymers主要組分：VAContentandviscosityselectiondependentonapplicationVA的含量和粘度可根據應用選擇MinorComponents:LLDPE,mLLDPE微量組分：Usedtoimprovephysicalpropertiesandallowfordown-gauging,ultimatelyimprovesclarity可提高物料性能和減少厚度，提高透明度RawMaterials–Additives

原材料-添加劑Additives:Usedtotailorfilmproperties添加劑:采用特定膜的性能UVresistance抗紫外性能Anti-block–EspeciallyforhighVAcontentfilms抗材料結塊-特別是高VA含量膜Anti-fog(oranti-drip)-Migratingadditivespreventaccumulationofcondensateonfilmsurface抗霧（抗滴）遷移添加劑可防止膜表面結霧的集結Anti-microbial抗微生物Anti-static-Preventsaccumulationofdustwhichcaninfluencelighttransmission抗靜電-防止沙塵的聚集從而影響透光性Optical-Variousadditivescanincreaseordecreaseopacityandandphoto-selectivitybehaviorasdesired光學性能-不同的添加劑可增加或減少透明性和期望的光選擇IRradiationinhibitor–PreventinglossoflongwaveIRwaveswillhelpheatretention(thermalinsulation)紅外輻射控制－防止長波紅外波的損失，其可保持熱量（隔熱）AgFilm

PhysicalProperties

農膜物理性能EffectofincreasingVAcontentonfilmproperties增加VA含量對農膜性能的影響Stiffness 挺度Toughness 硬度Heatretention 熱保持Clarity 透明度Creep 蠕變ExtrusionConsiderations

擠出考慮Extrudersizingforhighoutputapplications高產應用的擠出機的尺寸Homogenization均勻度Achievinguniformityofchallengingblends對不容易塑化均勻的混合物取得均勻Coolingrequirements冷卻需求Maintainingmelttemperaturecontrol保持融體溫度控制Homogenization

塑化均勻Homogenizationiscriticalforacceptableaestheticsandreliableperformanceofagriculturalfilms均勻性對于表觀和可靠的性能是非常關鍵Uniformityofpolymerblendsandmultiplemasterbatchadditives聚合物混合物和多母料添加劑的均勻性Uniformityoftemperatureandviscosityofextrudate溫度和擠出粘度的均勻性

DispersiveandDistributivemixingarerequiredinthesinglescrewextruder單螺桿擠出機分散混合ScrewDesign

螺桿設計Allofourextrudersemploybarrierscrewswhichofferexcellentversatility,allowingtheextrusionofawiderangeofpolymers

所有擠出機采用屏蔽式螺桿可提供多種物料的加工Ourscrewdesignsarewellproveninthefieldandconsistentlyhaveshowntheirabilitytoprocesshighqualityfilmathighthroughputrates.我們的螺桿證明可進行在高速產量下優質薄膜的生產Mixing

混合DISTRIBUTIVE分布Increaseofinterfacialareabetweentwomisciblecomponents在兩易混合的組分直間界面的增加Splittingandrecombinationofflowstreams流體的分離和結合DISPERSIVE分散Shearinducedparticlesizereductionofimmisciblecomponents.MixingandQuality

混合和質量Micro-graphs100X0.15MIHDPE+5%CBMBPoormixingcaneffect:很差的混合可影響Physicalproperties(tensilestrength,elongation,UV,anti-fog)物理性能（拉伸強度，伸長率，UV,和抗霧）ProductUniformity(consistentguage,layerdistribution)產品均勻性（均勻的厚度，層的分布）Aesthetics(opticalproperties,filmappearance)外觀（光學性能，表面）Excellent優秀PoorDispersive差的分散PoorDispersive&Distributive差的分散和分布PoorDistributive差的分布HelicalUnionCarbideMixingSection(UCC-T)

螺旋碳化物混合段(UCC-T)HelicalUnionCarbideMixing

FlowPattern

流道方式ChannelCrossSection

通道截面StreamlinesShown流道線所示100XHDPE+5%CBMBPineappleMixingSection

波蘿混合段Multi-flightedwithcross-cutstocreaterhomboids有截面切割以產生菱型的多螺棱Allowsfordisruption/re-orientationofflowtosignificantlyimprovethedistributivemixingcapacityofascrew可分布/再進行流體拉伸，極大提高螺桿均勻分布的能力PineappleMixingSection

波蘿混合段StreamlinesShowingDistributiveMixing所示分布混合流體100XHDPE+5%CBMBStaticMixers

靜態混Fixed,in-linemixerlocatedinmeltpipingpriortodie固定，線內混合是在進入模頭前融體管中Causesreorientationofflowstreamsforimproveduniformity可產生流體的再取向以提高均勻性Temperatureuniformity:溫度均勻性eliminatestemperature(andsubsequentviscosity)gradientsinthemeltstreamBlenduniformity:混合物均勻性ensurescompletelyuniformdistributionofmasterbatchesMeltTemperature

融體溫度Influencedprimarilybytwofactors:兩個主要影響因素Conduction傳導=functionof(residencetime,barrelset-points,limitationsofheating/coolingunits...)功能（停留時間，螺筒設定點，加熱冷卻單元的限制）Conductionhaslessinfluenceasextruderdiameterincreases隨著擠出機直徑的增加，傳動的影響減少ViscousEnergyDissipation(VED)粘度能量分散=functionof(viscosity,shearrate...)功能（粘度，剪切速率）VED(orshearheat)increasesaspolymerviscosityincreases隨聚合物粘度的增加粘度能量分散性增大AgFilm

CoolingRequirements

農膜冷卻要求ThreeCriticalFactors三個重要因素Largeextrudersarerequired–tempcontrolisdifficult大擠出機要求-溫度控制困難Limitedinfluenceofconductionbecauseofincreasedratioofpolymervolumetobarrelsurfacearea聚合物體積和螺筒表面區域比例的增加，限制了傳導的影響Highviscosity(lowMI)polymers高粘度（低MI)聚合物Generateshearheatduringextrusion產生剪切熱量Lowmelttemperatureisrequired要求低熔融溫度Tomaintainintegrityoftemperaturesensitiveadditives保持溫敏添加劑的一體化Tomaintainbubblestability保持膜泡穩定Lowshearscrewdesignandadequateextrudercoolingcapacityarecriticaltocontrolmelttemperature 低剪切螺桿設計和足夠的擠出機冷卻能力是控制融溫的關鍵ScrewDesignOptimization

AgFilmApplications

農膜應用中的優化螺桿設計Designobjectives:設計目標Excellenttemperaturecontrolbalancedwithsufficientdispersiveanddistributivemixing有足夠分散和分布的混合平衡的優異溫控Provendesignconcept:證明了的設計理念Davis-StandardBarrierTypeIIwithdualmixingsections戴維斯-標準屏蔽式II性螺桿有雙混合區Mixer1:HelicalMaddockMixer混合1:螺旋式混合器Mixer2:Pineapple(Multi-flighted)Mixer混合2：波蘿混合器ExpectedPerformance

期望性能ExtruderCoolingOptimization

AgFilmApplications

農膜擠出機冷卻優化Designobjectives:設計目標Excellenttemperaturecontrolbalancedwithmaintenanceandcostadvantagesofaircooling風冷的成本優勢和維修優勢的組合而成的優異的溫控Provendesignconcept:已驗證的設計理念Highefficiencyaircoolingsystem:MACExtruders高效風冷系統：MAC擠出機MAC

ExtruderMACSeries

ofAirCooledExtruders

風冷MAC系列擠出機AirCooledUsingaSingleSuctionBlower采用一個排風機的風冷AirControlDampersforeachZone每個區的風控閥MinimalMaintenanceduetoSimplerDesign簡單的設計可最大程度減少維修InherentEnhancedPlantAirManagement提高工廠統一氣體排放RuggedGearboxwithHardenedGears堅固的齒輪箱HighOutputDSBBarrierScrews高產量屏蔽式螺桿MAC

ExtruderAirFlowConceptFinnedHeaters

魚翅型加熱器Theheatersaresecuredwithmultiplecapscrewsasshowninthesetwophotos.AirPassesdownwardoverthefinsofthetwohalvesoftheheatersandisdirectedintotheflexibleductabovethecontroldampers.ValveActuators

開啟閥門DeepFinnedCastAluminumHeatersCommerciallyAvailableAirCylinders2M3-LayerAgriculturalFilmDie

2米三層農膜模頭PROCESSREQUIREMENTS

加工要求

Agriculturalfilmsrequiretherightadditivecombinationsforthevariousdemandingfilmapplications

農膜要求采用正確的添加劑來滿足不同薄膜應用的要求ThecompoundsaremainlybasedonLDPEorvinylacetate(4to19%VA)polymersandsomecontainUV(ultraviolet)stabilisers.混合料主要由LDPE或VA含量在4-19的丙稀酸類聚合物為基礎，加入含有UV的穩定劑EVAcopolymersnotonlyhaveoutstandingmechanicalproperties,butalsoexcellentopticalpropertiesandverygoodlongIR(infrared)radiationretention(thermicity).EVA不緊有優異的機械性能，并且有優異的光學性能和保持長波輻射的性能PROCESSREQUIREMENTS

加工要求Bubblestabilityand“drawdownability”areoftenconsideredasthemostimportantprocessparameters.

膜泡穩定和“下垂拉能力”是加工考慮的主要因素Greenhousefilms,becauseoftheirenormouswidths,needverygoodbubblestabilityandthereforelowmeltindexgradesarechosen.

由于巨大的寬度，大棚膜需要非常好的膜泡穩定性，所有要選擇低熔融指數材料Mulchingfilmontheotherhandneedsgood“drawdownability”,sohighermeltindicesarechosen.

地膜需要下垂拉性能，所以要選擇高熔融指數的材料PROCESSREQUIREMENTS

加工要求ToachievegoodmixingoftheadditivesandformoreconsistentoutputwithEVAcopolymers,asmoothboreextruderratherthenagroovedfeedextruderisrecommended.為了取得添加劑的良好混合和EVA共聚物的恒定產量，推薦使用光壁擠出機而不是螺紋進料擠出機

Formaximumoutputandbestfilmquality,theuseofchilledairtotheairringandtheinternalbubblecoolingwhereusedishighlyrecommended.為了達到最大產量和最好的質量，推薦采用冷卻風環和內冷系統PROCESSREQUIREMENTS

加工要求Becauseofthetackynatureofmanyagriculturalfilms(highVAEVA’sandLLDPE’s)andtherequirementforgoodopticalproperties,thechoiceofbubblecageandcollapsingassemblyiscriticaltoachievinghighqualityfilmconsistently.

由于很多農膜（高VA含量的EVA和LLDPE)粘的特性并要求有良好的光學性能，膜泡架和人字板的選擇對于得到穩定高質量薄膜是很重要的Thebiggestchallengeforanagriculturalfilmlineisthewinderassembly.農膜線最大的挑戰是收卷機Inmanyapplicationstheshortrolllengths(<200m)arerequiredforeaseofhandling.

為了易于搬運，很多應用需要斷的膜卷MAC?Extruders

MAC擠出機SpecificallydesignedfortheblownfilmprocessutilizingvariableleadbarrierscrewsandACfluxvectororDCdrives.

專門用于吹膜加工，采用屏蔽螺桿，交流矢量電機Air-coolingsystemforenergyefficient,uniform,lowmaintenance,leakfreecooling.

空氣冷卻系統可使能量效率均勻，低維修，無冷卻泄漏Ambientairisdrawnthroughtheairintakeandovertheclosefittedfinnedheatersthatencasethebarrel.

室溫空氣由入口處進入，魚翅型加熱器緊套在螺筒上Thewarmedairisexhaustedthroughtherigidstructuralbase/plenum.熱的空氣由底座抽出2M3-LayerAgriculturalFilmDie

2米三層農膜模頭Forproductsrequiringverylargelayflatwidths,wehaveexperienceinmanufacturinglargediameterdies.

DieDesign

模頭設計Theengineeredshearratedesignisoptimizedtopromotehighshearratesandlowresidencetimes

優化的剪切率的設計，可優化提高剪切速率和少的停留時間Thisprovidesoptimumflowdistributionofeachlayerforprecisegaugecontrolandconsistentfilmquality.

可提供優化的每層精確膜厚控制的流道分布和恒定的質量AgriculturalFilmsBubbleWesJetAirRing

WestJet氣環TheWesJet?duallipairringfeaturesadesignwhichprovidesaconvergingairflowpatternbetweenthebubbleandtheairring’sformingcone.

WestJet雙唇氣環的特性設計形成了在膜泡和氣環風圈之間的聚集的空氣的流動WesJetAirRing

WesJet氣環SpecialShippingFixturesExportBox特殊發運固定出口葙Requiredforlargecomponents大部件的需要D-Saddressestheseissues戴維斯-標準公司注意到這些問題WesJet?AutoProAutoprofileAirRing

自動風環

EmploysthesameaerodynamicprincipalsofourstandardWesJetairringbutwithasegmentedairflowcontrolsystem.WesJet風環兼有上述的特性并有斷面氣流控制系統WesJet?AutoProAutoprofileAirRing

自動風環ThesoftwareandgaugingmeasurementissuppliedbyPlastControlandsupportedbyDavis-Standard

軟件和測厚由PlastControl公司提供，戴維斯支持Becauseweintegrateahighperformanceairringwithsegmentedairflowcontroltechnologywecanachieveexcellentoverallgaugeuniformitywithoutsacrificingperformance.由于結合了高性能的風環和截面氣流控制技術，我們能取得優秀的薄膜厚度均勻性而沒有性能的犧牲OnlymanufacturertosupplyAPCaslargeas2Mindiameter.我們是在2米如此大的模頭提供自動膜厚控制的唯一供應商AgriculturalFilms–UseofProfileControl

厚度控制Segmentedflowcontrolonlargediameterairrings–1500mmshown局部氣流控制，風環1500mmWesJet?AutoProAutoProfileAirRing

自動厚度控制風環1.4mAutoProNewWinderforGusseted,HeavyFilm

收卷機Typicalturretwindersrequiremanualcutandtransfertoanewcorewhenheavyfilmsorgusseted,foldedfilmsarebeingwound.當厚膜或插板，或折疊的膜收卷時，典型的轉塔收卷機需要手動切割和更換新卷芯，Highincidenceofinjuriesinthismode.發生受傷的頻率很高Mostautomaticcuttingdevicesdonotcutfoldedfilms.Pneumaticknifesoften“stall”.大部分自動切割裝置不切折疊膜，而安裝氣動刀Solution–Cross-cutrotaryshearknifesystemdrivenbyservomotor.解決方案－轉動切刀剪切系統，由飼服電機驅動Successfulon8foldsof8milfilm.在8折的薄膜取得成功HeavyFilmCrosscutTransfer

厚膜切割Cross-CutKnifeTapeonnewcoreCross-cutKnifedetail

AgriculturalFilms

農膜

Smalldiameterrollwinderwithautocutthrough8-foldsoffilmeach6-8milthick.每層6－8mil厚的8折的膜自動切割，小直徑卷收卷機Shafted(auto-cut)andshaftless(manualcut).有軸（自動切割）和無軸（手動切割）3-LAgFilmLine

三層農膜線

D-Shassuppliedanewstateoftheartthree-layeragriculturefilmlinetoChinawithauto-profilecontroltoChinatoproduceanewstandardofagriculturefilmfortheChinesemarket.戴維斯提供有自動厚度控制的三層農膜生產線Thelineisabletoproducefilmsupto12mincircumferenceand150micronsthickatratesupto1650kg/hwhilecontrollingthethicknessprofiletotolerancesaslowas+/-3%.

可生產12米周長150微米厚的農膜，產量1650kg/h,厚度公差為＋/－3％BubbleStabilizingCage

穩泡籠Gusseting&Collapsing

插板和人字板Gusseting&Collapsing

差板和人字板Gusseting&Collapsing

插板和人字板CarbonFiberRollsforNoScratches3-LAgFilmLineAgriculturalFilms

Winder

收卷機AgriculturalFilms

農膜

Smalldiameterrollwinderwithautocutthrough8-foldsoffilmeach6-8milthick.小直徑收卷機Shaftedandshaftlessauto-cut.有軸和自動無軸KnifeAgriculturalFilms

Winder

收卷機TYPESOFAGRICULTURALFILMSANDTHEIRAPPLICATIONS

農膜類型和應用Thewidthofagriculturalfilmdependsuponitsapplicationandvariesgreatly.Atypicalrangeofwidthforagriculturalfilmisfrom600mmuptoapproximately12mwide.農膜寬度取決于應用而有所不同。一般在600mm到12m

Mulchfilmvariesinlength,butistypicallysoldin6,7.5,15and30meterlengths.地膜一般是Irrigationtubingisavailableinlengthsupto400mlong.灌溉管線400m長AgriculturalFilm

農膜Theprimereasonsforusingagriculturalfilmsaretoachieveearliercrops,biggerharvestsandgreatercropyieldperunitarea,hencegreaterprofitsforthefarmer.使用農膜可取得高產，早熟和高產，而增加利潤Somefilmsaredesignedtoretainheat,otherstoreflectheat.有的膜設計為報持熱量，有的為反射熱量Somerequirehighlighttransmissionothersrequiretotalopacity.有的需要透光，其他需要不透光Thus,itisimpossibleforonemachinetomeetallthemarketrequirementswithinthismarketsegment.在一臺設備上不可能滿足市場所有要求GreenhouseFilmMarket

大棚膜市場Greenhousefilmistypically15mwideandcanbeproducedincustomlengthsaslongas1,200m.一般15m寬，1200m長Fordifferentperformancespecification