Yintoni i-Laid Scrim? Kutheni i-Polyester Laid Scrim Mesh Beats ilaphu elilukiweyo leNet kwiindonga kunye neepayipi
Umenzi wekontrakta ufaka umbala omtsha wodonga lwekhonkrithi endala. Kwiinyanga ezintandathu, kuvela imifantu yeenwele ecaleni kwamalungu. Kwiinyanga ezilishumi elinesibhozo, iindawo zokugqiba ziqala ukukrazuka kwi-substrate. Isizathu esiyintloko asikomgangatho weplasta okanye ubuchule bomfaki-sicelo—kukungabikho komaleko wokuqinisa osebenza kakuhle kunxibelelwano. Iinjineli kunye nabachazi-magama abafuna "ilaphu le-wrapping mesh" okanye "ilaphu le-woven net" bahlala bezama ukuphendula umbuzo obaluleke ngakumbi: "yintoni i-scrim?" kwaye ingaba inokuthintela na ezi ntsilelo ziphindaphindayo. Eli nqaku lichazaI-Scrim ebekwe phantsi, ichaza indlelaI-Polyester Layisha iScrim MeshYahlukile ngokwesakhiwo kwezinye iindlela ezilukiweyo zesiqhelo, kwaye ibonisa ukuba kutheni le yindlela engcono kakhulu yokuthintela ukwahlulwa kodonga, ukuqhekeka, kunye nemiphezulu engalinganiyo. Kwizicelo zemibhobho ye-GRP,I-Scrim yePolyester eqinisiweyo yokuNciphisaInika uphuculo olulinganisekayo kwingqibelelo yamalungu kunye namandla okuqhuma kwexesha elide. Ingqiqo ephambili: i-scrim ebekwe ngokuchanekileyo isasaza kwakhona uxinzelelo lokuncipha, imelana nokuwohloka kwe-alkaline, kwaye igcina ukuqina kokuxinana okujikelezayo kuyo yonke imisebenzi yenkqubo.
Isiseko soBugcisa: Iinkqubo zeScrim ezibekwe phantsi
Uyilo lwezinto eziphathekayo
I-Scrim ebekwe phantsi(ekwabizwa ngokuba yiI-Scrim Mesh Ebekwe) lilaphu lokuqinisa elivulekileyo elakhiwe ngokubeka imisonto ye-warp neye-weft ihambelana enye kwenye kwindawo enye kwaye ibotshelelwe kwindawo nganye yokuhlangana nge-thermoset okanye i-latex adhesive. Oku kwahlukile ngokusisiseko kwi-ailaphu elinomnatha olukiweyo, apho imisonto idityaniswe ngaphezulu nangaphantsi komnye, nto leyo eyenza imisonto ibe nemisonto. Kwi-scrim ebekwe kakuhle, imisonto ihlala ithe tye. Xa kufakwa umthwalo oqinileyo, amandla ahamba ngokuthe ngqo kwi-axis yomisonto nganye, nto leyo eyenza ukuba i-fiber isebenze kakuhle.
Ukusasazwa kwakhona koxinzelelo kwiiNkqubo zodonga
Xa isiseko se-cementitious okanye i-polymer-modified base coat sinyangeka, sincipha nge-volumetric—ngesiqhelo siphakathi kwe-0.03% ukuya kwi-0.08% ngokwe-linear dimension. Kwi-substrate engahambelaniyo okanye enemingxuma, olu ncipha luvelisa uxinzelelo lwe-tensile stress olukwindawo ethile kwi-micro-defects, voids, kunye nemiphetho. Ngaphandle kokuqinisa, ezi ncopho zoxinzelelo ziqala ii-micro-cracks ezisasazeka kumphezulu, ezibangela ukuqhekeka kwemephu okubonakalayo kwaye ekugqibeleniukuxobuka udongaibonwa kwiinkqubo ezingaqiniswanga.I-Scrim Mesh EbekweIbamba la mandla okutsala aze awasasaze kuyo yonke igridi. Indawo nganye edibeneyo isebenza njenge-node yokudlulisa umthwalo. Isakhiwo esivulekileyo—ngesiqhelo siyindawo evulekileyo engama-60% ukuya kuma-75%—sivumela izinto zesiseko ukuba zingene ngokupheleleyo kwi-mesh, zenze icandelo elidibeneyo le-monolithic endaweni yomaleko olula womphezulu.
A I-Polyester Layisha iScrim Mesh isebenzisa imisonto yepolyester eqhubekekayo enemicu emininzi, edla ngokuba nenani leemesh eliqala kwi-4 × 4 ukuya kwi-12 × 12 nge-intshi kunye nobunzima obuphakathi kwe-30 ukuya kwi-80 grams ngemitha yesikwere. I-arhente yokubopha ikhethwa ukuze ihambelane neekhemikhali nenkqubo yokugquma ecetywayo—nokuba yi-cementitious render, i-epoxy coating, okanye i-polyester resin.
Umsebenzi kwi-GRP Piping
NgokubaI-Polyester Scrim yeeMbhobho zeGrpkunyeI-Scrim yePolyester eqinisiweyo yokuNciphisa, i-scrim ebekwe phantsi isebenza imisebenzi emibini. Ngexesha lokwakhiwa kwe-laminate, isebenza njenge-spacer yobukhulu obulawulwayo, ithintela iindawo ezityebileyo kwi-resin kwaye iqinisekisa umlinganiselo ohambelanayo we-fiber-to-resin malunga nejometri ezintsonkothileyo ezifana neengqiniba, ii-tee, kunye neentamo ze-flange. Xa isebenza, inegalelo ekuqiniseni ukuxinana okujikelezayo kunye nokujikelezayo kwiindawo ezidibeneyo apho uxinzelelo loomatshini kunye nobushushu luphezulu khona.
Ngokwe-hydrostatic pressure value emva kwe-ISO 14692 methodology, i-GRP pipe joint eyi-150 mm ububanzi equka umaleko omnye we-65 g/m² polyester layered scrim ibonisa uxinzelelo oluphezulu lwe-15% ukuya kwi-22% xa kuthelekiswa ne-joint efanayo eqiniswe kuphela nge-strand mat enqunqiweyo enobukhulu obulinganayo be-laminate iyonke.
Isalathisi sokusebenza esiphambili:Kwiimvavanyo eziqhelekileyo zokwaluphala kwe-alkaline ezilinganisa isisombululo se-pore yesamente (pH ≈ 12.5, 23°C, iintsuku ezingama-28), i-polyester ebekwe kakuhle igcina i-≥ 80% yamandla ayo okuqala okugoba kunye nokugoba. Phantsi kweemeko ezifanayo, i-fiberglass mesh eqhelekileyo ye-E-glass—nokuba ine-coating enganyangekiyo yi-alkali—ihlala iwela ngaphantsi kwe-50% yokugcina ngenxa yokuqhekeka koxinzelelo lwe-corrosion kwi-filaments yeglasi.
Imizekelo yesicelo kunye nezisombululo zobunzulu
Imeko 1: Ukuqhekeka kodonga kunye nokuqhekeka kwiiprojekthi zokuhlaziya
Kwimisebenzi yorhwebo neyezindlu, i-substrate ayifane ifaneleke. Ikhonkrithi endala inokuba neembobo eziguquguqukayo, umswakama oshiyekileyo ovela ekuvutheni kwangaphambili, okanye iimfanta ezincinci ezivela ekujikelezeni kobushushu. Ukusebenzisa inkqubo entsha yokupenda okanye yokupeyinta ngqo kumphezulu onjalo kuyabangela ukungaphumeleli. Ukufaka i-substrateI-Polyester Layisha iScrim MeshI-in the base coat ijongana neendlela ezintathu ezahlukeneyo zokusilela:
Imeko yesi-2: Ukuhlanganiswa kwePipe ye-GRP kunye nokuQinisekiswa koQinisekiso
Kwiinkqubo zemibhobho ye-GRP yemizi-mveliso yokunyanga amanzi, ukucubungula iikhemikhali, okanye ioyile negesi, iindawo ezidibeneyo zezona ndawo zixinezelekileyo. Ukujikeleza kobushushu, ukunyuka koxinzelelo, kunye nomthwalo woomatshini ugxile kuqhagamshelo lwentsimbi kunye ne-spigot, ii-adapter zeflange, kunye nee-repair wraps.I-Scrim yePolyester eqinisiweyo yokuNciphisaUkusetyenziswa ngexesha lokulamina kunika:
Ukusasazwa kwe-resin ngendlela efanayo kujikeleze ukugoba okuntsonkothileyo, okuthintela iindawo ezityebileyo kwi-resin okanye ezilambayo kwi-resin.
Ukunciphisa umxholo we-micro-void xa kufakwa kwangoko emva kwe-resin catalysis nangaphambi kokuba kufakwe i-gelation.
Ukomelezwa okongeziweyo kokuxinana okujikelezayo kunye nokujikelezayo ngaphandle kokunyusa ubukhulu okanye ubunzima be-laminate kakhulu.
| Ipharamitha | I-Fiberglass Mesh ye-AR-Glass yendabuko | I-Polyester Layisha iScrim Mesh |
|---|---|---|
| Ukugcinwa kwamandla okutsalwa emva kweentsuku ezingama-28 kwisisombululo se-pH 12.5 kwi-23°C | 40–55% (kuxhomekeke kwingubo) | ≥ 80% |
| Ubunzima obuqhelekileyo bendawo | 145–160 g/m² | 40–70 g/m² |
| Ububanzi obukhulu bokuqhekeka kwemigca kwisiseko se-4–6 mm | Malunga ne-0.15 mm | Malunga ne-0.25–0.35 mm |
| I-crimp yentambo | Okwangoku (ulwakhiwo olulukiweyo) | Akukho (ulwakhiwo olubekwe) |
| Ukusebenza kakuhle kokudluliselwa komthwalo | Incitshiswe yi-crimp angle | Ikhuliswe kakhulu yimisonto ethe tye |
| Ukufakela lula kwiingubo ezincinci | Ifuna ukumanziswa ngononophelo ukuze kuthintelwe iipokotho zomoya | Iprofayili ethe tyaba, kulula ukuyifakela ngokupheleleyo |
Uxinzelelo lokuncipha koxinzelelo:I-scrim isasaza amandla okuxinana kuyo yonke indawo eludongeni, ithintela ukuqaliswa kokuqhekeka kwendawo.
Indawo yokuhambisa izinto phantsi komhlaba:Ukujikeleza kobushushu kunye nokufuma kubangela ukuba i-substrate yande kwaye inciphe. I-scrim bridges izithuba ezifikelela kwi-0.3 mm ngaphandle kokusasaza iintanda kumphezulu wokugqibela.
Uhlaselo lweekhemikhali ze-alkaline:Ii-base coats zesamente zigcina i-pH engaphezulu kwe-10 ixesha elide. Ii-polyester fibers azikwazi ukumelana ne-hydrolysis kunye nokuhlaselwa yi-alkali, ngokungafaniyo nee-glass fibers eziwohloka ngamandla kule ndawo.
Imibuzo ebuzwa qho
Yintoni umahluko phakathi kwe-layered scrim kunye nelaphu elilukiweyo?
I-laid scrim ineentambo ezigobileyo nezigobileyo ezibekwe ngaxeshanye kwaye zibotshelelwe kwiindawo ezidibana kuzo, nto leyo ebangela ukuba kungabikho zintambo. Ilaphu elilukiweyo lineentambo ezigobileyo nezigobileyo kwindawo nganye yokunqumla. Isiphumo esisebenzayo kukuba i-laid scrim idlulisela imithwalo ethambileyo ngokufanelekileyo kwi-axis yelayini kwaye ilala ithe tyaba ngokuchasene ne-substrate, nto leyo ephucula ukuphuma nokunamathela kwiinkqubo zokugquma ezincinci. Ilaphu elilukiweyo linokuthandwa apho kufuneka ukumelana nobushushu obuphezulu ngaphezu kwe-180°C, kodwa kwiinkqubo zodonga lwe-alkaline kunye neepayipi ze-GRP zobushushu obuphakathi, i-polyester laid scrim inikezela ukuthembeka okuphezulu kwexesha elide.
Ngaba i-polyester ebekwe kwi-scrim ingasetyenziswa ngqo kwiindonga ezimanzi?
Iintambo zepolyester azifunxi manzi kwaye aziyi kubola okanye zidumbe. Nangona kunjalo, izinto ezigqunyiweyo—i-render, i-adhesive, okanye i-resin—kufuneka zifakwe ngaphakathi kwefestile yazo yokunyamezela ukufuma. I-scrim ayihlawuleli inkqubo yokugquma esetyenziswa ngaphandle komda wayo wokufuma we-substrate. Kwiinkqubo zesamente, ukufuma kwe-substrate kufuneka kube ngaphantsi kwe-16% ngobunzima.
Ndingakhetha njani ubunzima obuchanekileyo beskrim kwisicelo sam?
Khetha eyona scrim ilula ehlangabezana neemfuno zoomatshini. Ukuqinisa udonga ngaphakathi, i-40–55 g/m² yanele. Iinkqubo zangaphandle ezichatshazelwe yimithwalo yomoya okanye umsebenzi wokunyikima zifuna i-70–85 g/m². Kwi-GRP pipe wrapping, i-scrim kufuneka ibe yi-15–25% yobunzima bokuqinisa bonke kwi-laminate yokugqibela. Ii-scrim ezinzima zinciphisa ukuhambelana kwi-radii eqinileyo.
Ngaba i-scrim ebekwe phantsi iyayichaphazela indlela esebenza ngayo indibano yomlilo?
I-polyester scrim eqhelekileyo iyatsha kwaye inegalelo kumthwalo wepetroli ukuba ivezwe elangatyeni. Kwizixhobo ezilinganiswe ngumlilo, qinisekisa ukuba inkqubo epheleleyo—i-substrate, i-primer, i-scrim, kunye ne-topcoat—idlulile umgangatho ofanelekileyo ofana ne-ASTM E84 Class A okanye i-EN 13501-1. Kukho ii-polyester scrims ezingenalo i-halogen ezithintela umlilo ezifikelela kumazinga e-Class A xa zidityaniswe nee-intumescent coatings.
Isiphelo kwaye Qhagamshelana nathi
I-Scrim ebekwe phantsi—ngokukodwaI-Polyester Layisha iScrim Mesh—ijongana nezizathu ezisisiseko zoomatshini zokuqhekeka kodonga, ukuqhekeka, kunye neendawo ezingalinganiyo ngokubonelela ngomaleko wokuqinisa ongenazintlu, ozinzileyo kwi-alkali, nolayishwe kwicala ngalinye. Kwimibhobho ye-GRP,I-Scrim yePolyester eqinisiweyo yokuNciphisa ibonelela ngophuculo olunokulinganiswa kuxinzelelo lokuqhuma kwamalungu kunye nokuthembeka kwexesha elide. Ezi nzuzo zixhaswa yidatha enokulinganiswa—ukugcinwa kokuxinana okungaphezulu kwe-80% emva kokuvezwa kwe-alkaline, ukuvala iintanda ukuya kuthi ga kwi-0.35 mm, kunye nokunyuka koxinzelelo lokuqhuma kwe-15–22%—hayi ngamabango okuthengisa.
Ukuba ucacisa uqinisekiso lweprojekthi yokulungiswa kwe-EIFS, ukulungiswa kwekhonkrithi, okanye ukusonga imibhobho ye-GRP, nxibelelana neqela lethu lobunjineli bobuchwephesha. Singabonelela ngedatha yemveliso eneenkcukacha, isikhokelo sesicelo, kunye nemiqulu yesampulu yokuvavanya kwindawo. Sixhasa ububanzi obuqhelekileyo, iijometri zemesh, kunye neepakeji zobungakanani ezihambelana nenkqubo yakho yokugquma okanye yeresin. Masikuncede ukhethe iskrim echanekileyo yesicelo sakho.
Idilesi
Iofisi eyintloko Yongeza: BLDG#26, MAX Technology Park Phase II, Baoshan District, Shanghai China
Factory Add: Shanghai Ruifiber (Fengxian) Industry Park, Fengxian, Xuzhou, China
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Ixesha leposi: Julayi-07-2026