Yuav tsum vov ntaub ntawv rau greenhouses: yuav ua li cas los xaiv?

Niaj hnub no nyob rau hauv kev ua lag luam yuav tsum vov ntaub ntawv rau greenhouses nyob rau hauv ib tug ntau yam. Ntawm cov feem ntau muaj peev xwm yuav qhia tau polyethylene, iav thiab polycarbonate.

yas zaj duab xis

Niaj hnub no tej zaum yuav muag muaj tam zaj duab xis, uas muaj ib tug ntau dua solntseustoychivostyu thiab teplosberegatelnymi zoo heev yam ntxwv. Qhov ntawd yog txoj cai, yog tias koj ua ib tug sib piv nrog ib tug pa zaj duab xis, uas yog tsawg tuab. Qhov no cov ntaub ntawv uas muaj peev xwm mus ua hauj lwm mus txog yim xyoo nrog tu rau nws. Nws yog ib qho tseem ceeb tsuas yog ua raws li cov kev cai ntawm lub lag luam, uas yog los tiv thaiv cov ntaub ntawv los ntawm kev sib cuag nrog tus ncej nyob rau hauv lub cheeb tsam ntawm lub khoov. Ntawm lwm yam, peb yuav tsum tsis txhob yuav tsum tau raug mus no zaj duab xis ntawm ntse ces kaum. Thaum lub sij hawm installation nws yog pom zoo kom tsis txhob rub nws nyuaj heev.

Xaiv yuav tsum vov ntaub ntawv rau greenhouses, uas niaj hnub gardeners tsis tawm nyob rau hauv lub yav dhau los thiab tam pa analogue zaj duab xis. Nws yog tsuas 1 lub caij, tab sis tus nqi yog heev pheej yig, daws nrog nws zog zoo kawg nkaus. Lub peev xwm ntawm lub ob-txheej films kis lub teeb nce mus txog 80 feem pua. Nws yog tsis tsim nyog rau siv zog rau ib puas feem pua allergic, raws li qhov no tsob nroj yuav tsum dhau twv tawm, thiab ces tus txiv hmab txiv ntoo yuav tsis muaj pleasing mus rau lub qhov muag. Eighty per ib npib tooj - qhov no yog heev txaus rau zaub yog dab tsi nws yuav tsum tau. web ceev yuav sib txawv ntawm 100 rau 200 grams tauj ib square Meter. Nws yuav siv tau nyob rau kub ib ncua los ntawm +80 rau -60 degrees. Lub elongation ntawm so ntawm 250-500 feem pua. Tsis muaj teeb meem dab tsi lub thickness, lub neej ntawm xws li ib tug zaj duab xis yog tsis ntau tshaj 1 lub caij. Qhov no xam yuav txawv tsis pub dhau 0.03 rau 0.4 hli. Nws yuav tsum tau muas yob thiab tsho, uas muaj ntau thickness, whereas qhov tsawg kawg nkaus ntev yog 50 meters.

cellular polycarbonate

Xaiv yuav tsum vov ntaub ntawv rau greenhouses, tau txais kev pab feem ntau yuav cell polycarbonate. Qhov no yog vim lub high durability. ib zaug xwb, tsis muaj kev txhawj txog kev kho vaj tse yuav tsum yog txaus los tsim kom tau ib tug tsev cog khoom. Polycarbonate muaj ntau impressive qualities ntawm tshav kub tsis kam raws li muab piv nrog iav, qhov no siv txawm mus rau ib tug tuab ntawm 8 millimeters. Nyob rau tib lub sij hawm nws yog 2 lub sij hawm yuav zoo dua kom lub tshav kub nyob rau hauv lub tsev cog khoom. Nrog kev xav txog thickness ntawm 16 millimeters, nws yuav muab piv nrog ib tug peb-txheej glazing. Vim lub cellular qauv uas muaj ib tug stiffening, tsev cog khoom yog tau tsis tsuas robust, tab sis kuj sov. Manufacturers hais tias cov ntaub ntawv uas muaj peev xwm sawv ntawm cov lus nyuaj ultraviolet hluav taws xob, uas muaj ib tug tsis ntxim rau cov nroj tsuag.

Cov yam ntxwv ntawm polycarbonate

Xaiv yuav tsum vov ntaub ntawv rau greenhouses, tej zaum koj yuav xav kom polycarbonate. Hais txog ib tug qauv pob tshab daim ntawv, nws muaj ib tug tuab ntawm 4 millimeters. Raws li rau cov uas tsis tau them nqi embodiment, daim duab yog hom twg los ntawm 3 mus rau 3.5 millimeters. Yog hais tias koj xav nyob rau hauv tus luj ntawm lub ntaub, qhov ntev ntawm uas yog sib npaug zos rau 6 meters, qhov no daim duab yog sib npaug rau 10 kg. Lub nto zoo ntawm cov ntaub ntawv uas yog them nrog ib tug tiv thaiv zaj duab xis.

Nta ntawm qhov kev siv ntawm polycarbonate

Yuav tsum vov ntaub ntawv rau greenhouses siv nyob rau hauv tandem nrog txhuas mounting tshuab, raws li zoo raws li profiles thiab lwm yam designs. Tseem ceeb ua ntej installation them sai sai mus rau lub coefficient ntawm thermal expansion uas yog sib npaug zos rau 0,068 millimeters mus rau 1 'meter'. Qhov no xam tej zaum yuav zoo li negligible, tab sis qhov kub thiab txias nco los ntawm -20 mus +30 polycarbonate hloov nyob rau hauv loj los ntawm 34 millimeters. Thaum siv self-tapping ntsia hlau uas muaj tsis muaj thermal expansion, nws yuav ua txhaum li daim ntawv tsim ib lub voj qe qhov. Nws yog yog li ntawd pom zoo hais tias koj siv txoj txuas nrog ib lub cheeb ntau tshaj li 30 millimeters. Nrog xws li ib tug khawm ris qhov yuav tau kev sib khi. Xaiv xws li ib tug npog cov ntaub ntawv uas rau greenhouses, koj yuav tsis txhawj txog tej yam uas lawg. Deg txig paub daws txhua yam puas tsuaj. Uas yog vim li cas lub chaw tsim tshuaj paus muab ib tug guarantee rau kev siv ntawm polycarbonate rau 10 xyoo. Nws yuav khoov duav, uas distinguishes cov khoom los ntawm cov iav, uas yog vim li cas los ntawm nws cov txheej txheem xws txawv lug.

Nonwovens rau greenhouses

Cov uas tsis yog-woven npog cov ntaub ntawv uas rau greenhouses pom niaj hnub no haum ntau. Niaj hnub nimno ntaub ntawv ntawm no hom txig tiv nrog lub thaum tshav kub kub tuav nyob rau hauv lub tsev cog khoom, thiab ces muab nws ib hmo. Txawm li cas los, xws tiv thaiv yog ib tug tsev cog khoom yog tsis muaj peev xwm tiv nrog te thiab thaum lub sij hawm lub lag luam tej zaum yuav lov. Nws yuav tsum tau haum kim khoom. Siv nws yog problematic, raws li nyob rau hauv cov nag yuav tau kaw lub qhov chaw ntawm greenhouses nrog yas qhwv, thiab ces tua. Yuav tsum vov ntaub ntawv rau greenhouses polycarbonate ntev, tab sis yog tias koj txiav txim siab siv ib tug uas tsis-woven cov ntaub ntawv uas, nws yuav tsum tau los tiv thaiv cov nroj tsuag los ntawm frosts rau -7 degrees. Txuag nws thiab lawg, tshav kub daim tawv, muaj zog cua thiab nag.

Cov kev siv ntawm cov iav

Yog hais tias koj xav yuav tsum vov ntaub ntawv rau lub tsev cog khoom, koj yuav tau yuav thiab iav. Tus tsim nrog nws siv ntawm ib tug ruaj, rugged, thiab environmentally phooj ywg. Tsev Cog Khoom yuav yuav tau txuag lub kab lis kev cai los ntawm sab kev frosts. Yog hais tias koj yuav cov iav, tus tsim yuav raug nqi kim heev, whereas yog tias koj muaj lub sij hawm los mus siv cov ntaub ntawv uas borrowed los ntawm cov laus ntoo ntas, lub tsev cog khoom tau lub kim tshaj plaws ntawm cov so.

xaus

Xaiv yuav tsum vov ntaub ntawv rau greenhouses, koj yuav tsum tau luj qhov pros thiab cons ntawm txhua kev xaiv, uas yog marketed. Yog hais tias rau koj lub tseem ceeb tshaj plaws uas tsis muaj nqi, nws yog tsim nyog los nrhiav tau qhov rais uas koj yuav extract lub iav. Nyob rau hauv cov ntaub ntawv no, Txawm li cas los, tsis tas yuav xaiv qhov loj ntawm lub tsev cog khoom, vim hais tias lawv yog dictated los ntawm qhov ntev ntawm lub uas twb muaj lawm iav.