Rufin WPC vs Rufin Itace na Gargajiya: Nazarin Farashi da Fa'ida ga Masu Gina Kasuwanci

Ainihin Kudin Rufe Katako Da Babu Wanda Yake Magana A Kai A Matsayin Talla

Na shafe shekaru goma da suka gabata ina taimaka wa masu shigo da kayan gini a Turai, Arewacin Amurka, da Kudu maso Gabashin Asiya Wpc Decking, shinge, da rufin gini daga masana'antun China. Tattaunawar kusan koyaushe tana farawa iri ɗaya: mai ginin ya ƙayyade rufin katako (yawanci yammacin cedar cedar, larch, ko pine thermowood), mai kwangilar yana farashin kayan da shigarwa, kuma aikin ya ci gaba da abin da ya zama mafita mai araha.

Abin da farashin farko bai haɗa da shi ba shine kuɗin gyara da ke taruwa kowace shekara bayan shigarwa. Rufin katako yana buƙatar a shafa fenti ko a shafa mai a kowace shekara 2-5 ya danganta da nau'in, yanayinsa, da kuma nau'in ƙarewa. A Arewacin Turai, inda ruwan sama, sanyi, da kuma hasken UV ke da tsanani, ginin kasuwanci mai faɗin murabba'in mita 500 na rufin katako zai kashe dala $3,000-6,000 a kowane zagayen gyara akan shimfidar katako, aiki, da kayan aiki - duk bayan shekaru 3, har tsawon rayuwar ginin.

Lokacin da na nuna wa 'yan kwangila da masu gine-gine kwatancen shekaru 20 na farashin zagayowar rayuwa tsakanin rufin katako na gargajiya da rufin WPC, alkaluman sun fi fifita WPC da babban gibi. Ga yadda wannan binciken yake aiki.

Menene Faɗin WPC Co-Extrusion kuma Ta Yaya Ake Yinsa?

WPC (haɗaɗɗen itace da filastik) wani abu ne da aka ƙera daga haɗakar zare na itace (yawanci 50-60%), polymer na thermoplastic (HDPE ko PP, 30-35%), da ƙarin kayan aiki (5-15%), gami da masu daidaita UV, launuka masu launi, abubuwan haɗin gwiwa, da kuma maganin kashe ƙwayoyin cuta. Ana dumama cakuda, a haɗa shi, sannan a fitar da shi ta cikin wani abu mai kauri don samar da allunan da ke da sassauƙa.

Co-extrusion shine muhimmin ci gaba wanda ke raba rufin WPC na zamani daga samfuran haɗakar ƙarni na farko. A cikin tsarin haɗakarwa, wani mai fitar da iska na biyu yana amfani da wani murfin murfin polymer mai kariya (yawanci kauri 0.3-0.7mm) a kusa da tsakiyar WPC yayin da yake fita daga babban mayafin. Wannan murfin murfin - wanda aka ƙera shi da masu hana UV da launuka masu yawa - yana ƙirƙirar saman da aka rufe wanda ke kare tsakiyar zare na itace daga shigar da danshi da lalata UV.

Sakamakon shine allon rufewa wanda yayi kama da itace na halitta (godiya ga tsarin hatsi da aka yi wa ado a cikin murfin murfin) amma yana aiki kamar polymer mai aiki mai girma. Rufin WPC mai haɗakarwa YD216H25 Ana samar da shi ne a kan layin haɗin gwiwa mai cikakken sarrafa kansa tare da sa ido kan kauri na murfi a ainihin lokaci don tabbatar da kariya mai dorewa a kan kowace mita mai layi. Muna kuma ƙera samfuran da suka dace - don ayyukan da ke buƙatar cikakken kunshin waje, namu Tsarin shingen WPC yana da irin wannan fasahar haɗin gwiwa da tsarin daidaita launi.

Kwatancen Kudin Zagayen Rayuwa na Shekaru 20: WPC da Rufin Katako

Domin rufin WPC mai haɗaka ba ya buƙatar kulawa ta shekara-shekara - babu tabo, babu rufewa, babu mai - jimillar kuɗin mallakar shekaru 20 ya yi ƙasa da kashi 35-50% fiye da itacen da aka yi wa magani da 55-65% ƙasa da itacen katako mai tsada. Waɗannan alkaluma suna ƙara zama abin mamaki idan aka yi la'akari da farashin gina gine-ginen kasuwanci masu hawa da yawa, inda zagayen gyara ɗaya zai iya kashe dala $10,000-20,000 a cikin kayan aikin shiga kawai.

Kwatanta Aiki: Danshi, UV, da Juriyar Kwari

Ga masu ginin kasuwanci, ma'aunin aiki mafi mahimmanci shine kwanciyar hankali a cikin zagayowar danshi, riƙe launi a ƙarƙashin fallasa UV, da juriya ga harin halittu (kwari da fungi).

• Sha danshi: Rufin katako yana shan danshi kashi 12-25% idan aka cika shi da ruwa, wanda hakan ke haifar da kumburi, warping, da kuma cupping. Rufin WPC mai haɗakar fitarwa yana shan danshi ƙasa da kashi 1% ta nauyi - murfin murfin polymer yana rufe tsakiyar zaren katako daga hulɗa kai tsaye da ruwa. Wannan yana nufin allon WPC suna kiyaye juriyarsu ta girma ta hanyar ruwan sama, dusar ƙanƙara, da danshi ba tare da gibin faɗaɗawa da gyara da rufin katako ke buƙata ba.
• Juriyar UV: Katako mara kariya yana lalacewa a ƙarƙashin hasken UV - lignin da ke cikin zare na itacen yana lalacewa, yana sa saman ya zama launin toka da duhu cikin watanni 6-12 bayan fallasa. Duk da cewa wasu masu gine-gine suna daraja wannan yanayin yanayi na halitta, masu ginin kasuwanci galibi ba sa daraja shi. Rufin WPC mai haɗakar fitarwa yana riƙe da launinsa na asali na tsawon shekaru 15-25 saboda murfin murfin ya ƙunshi masu daidaita UV mai ƙarfi (yawanci HALS - masu daidaita hasken amine masu hanawa - a kashi 2-4% na lodi) waɗanda ke sha da kuma wargaza makamashin UV kafin ya isa tsakiyar zaren itacen.
• Juriyar kwari da fungal: Rufin katako yana da saurin kamuwa da tururuwa, ƙwaro masu gundura da itace, da kuma ruɓewar fungal - musamman a yanayi mai dumi da danshi. Rufin WPC yana ɗauke da sinadarin kashe ƙwayoyin cuta da kuma ƙarin maganin kwari da aka haɗa a cikin babban sinadarin yayin ƙera shi, wanda ke ba da kariya daga ƙwayoyin cuta ba tare da maganin sinadarai ba bayan samarwa.

Aikin Gobara da Bin Dokokin Gine-gine

Aikin gobara wani muhimmin abu ne da ke ƙara zama dole ga kayan rufin kasuwanci, musamman a Turai bayan bala'in hasumiyar Grenfell da kuma tsaurara dokokin gini a faɗin Tarayyar Turai. Ga inda rufin WPC yake a yanayin aikin gobara:

Rufin WPC na yau da kullun (ba tare da ƙarin abubuwan hana wuta ba) yawanci yana cimma ƙimar Class C ko Class D a ƙarƙashin tsarin rarraba wuta na Turai EN 13501-1, wanda ya yi daidai da amsawar wuta mai kama da katako mai matsakaicin yawa. Ga gine-ginen kasuwanci da ke buƙatar aikin wuta na Class B, akwai samfuran WPC masu hana wuta waɗanda suka haɗa da abubuwan cika ma'adinai (aluminum trihydrate, magnesium hydroxide) a kashi 10-20%.

An gwada rufin WPC ɗinmu mai haɗakar fitarwa tare da maganin hana gobara zuwa EN 13501-1 Aji B-s1,d0, wanda ya cika buƙatun gine-gine sama da mita 18 a yawancin yankunan Turai. Ana haɗa ƙarin sinadarin hana gobara a cikin babban sinadarin yayin ƙera shi - ba wani abu bane da zai iya lalacewa a kan lokaci. Wannan yana nufin aikin gobara yana cikin kayan kuma baya lalacewa da yanayin zafi.

Ga ayyukan Arewacin Amurka, rufin WPC dole ne ya bi ka'idar ASTM E84 (gwajin ramin Steiner) don yaduwar harshen wuta da haɓakar hayaki. Tsarin WPC na yau da kullun yawanci yana cimma ƙimar Aji A ko Aji I (ma'aunin yaduwar harshen wuta 0-25, ma'aunin da aka haɓaka hayaki 0-450) lokacin da aka gwada shi bisa ga ASTM E84.

Ingancin Shigarwa: Yadda WPC ke Rage Kuɗin Ma'aikata a Wurin Aiki

Bayan aikin kayan aiki, rufin haɗin gwiwa na WPC yana ba da fa'idodi da yawa na shigarwa waɗanda ke fassara kai tsaye zuwa tanadin farashin aiki ga ayyukan kasuwanci:

• Tsarin bidiyo mai ɓoye. Rufin YD216H25 ɗinmu yana amfani da wani ɓoyayyen maƙallin bakin ƙarfe wanda ke zamewa cikin hanyar ciki ta allon. Babu ƙusa a fuska, babu maƙallan da ake iya gani, kuma kowane allo yana kullewa zuwa na gaba tare da tazara mai daidaito. Wannan tsarin yana da sauri da kashi 30-40% fiye da rufin katako da aka gyara fuska saboda mai sakawa baya buƙatar haƙa faransa kafin ya nutse, ya nutse, ko ya daidaita kusoshin.
• Ba a buƙatar magani kafin a fara ba. Allon rufe katako sau da yawa yana buƙatar rufewa da ƙulli, cika ƙulli, da kuma yin tabo kafin a saka shi. Allon WPC a shirye yake don shigarwa kai tsaye daga kunshin - a yanka shi zuwa tsayi, a yanke shi, sannan a matsa zuwa allon na gaba.
• Juriyar girma mai daidaito. Allon WPC da aka fitar da shi daga masana'anta yana da juriyar girma na ±0.5mm a duk tsawon lokacin samarwa. Allon katako na halitta na iya bambanta da faɗi da kauri na 2-5mm tsakanin allunan, wanda ke buƙatar rarrabuwa da zaɓi a wurin. Girman WPC mai daidaito yana nufin haɗin kai iri ɗaya da shigarwa cikin sauri da kuma iya faɗi.
• Nauyi mai sauƙi. Allon rufin WPC yana da nauyin kimanin kilogiram 2.0-2.5 a kowace mita mai layi (ga allunan faɗin 216mm), idan aka kwatanta da kilogiram 3.0-4.5 na allunan katako masu daidai. Wannan rage nauyi yana rage gajiyar mai sakawa, yana sauƙaƙa dabarun shimfidar katako, kuma yana rage nauyin gini akan ambulan ginin.

Ra'ayoyi Masu Mahimmanci Game da Rufin WPC

A cikin gogewata da nake taimaka wa masu rarrabawa su sauya sheka daga katako zuwa WPC, ina fuskantar irin wannan kuskuren akai-akai. Magance waɗannan a gaba yana hana kurakurai masu tsada:

Kuskure na 1: "WPC ta yi kama da ta bogi." WPC na ƙarni na farko yana da tsari iri ɗaya, mai maimaitawa. Haɗin kai na zamani yana samar da tsarin itace mai zurfi tare da bambancin launi na halitta. A nisan kallo na mita 3-5 (wanda aka saba gani a fuskokin gini), har ma da masu ginin da suka ƙware ba za su iya bambance ingancin WPC daga itace ba tare da taɓa shi ba. Samfurinmu yana amfani da na'urori masu sassaka na CNC tare da tsarin hatsi daga samfuran katako na gaske, suna ƙirƙirar bambancin zurfin 0.5-0.8mm.

Kuskure na 2: "WPC ya yi nauyi sosai don gyarawa." A kan nauyin kilogiram 2.0-2.5 a kowace mita mai layi don allon da ke faɗin mm 216, WPC ya fi sauƙi fiye da yawancin rufin katako. Damuwar yawanci ta samo asali ne daga rudani da allon bene na gini. Allon rufi ba su da tsari kuma suna aiki da tsarin batten na yau da kullun.

Kuskure na 3: "WPC ba zai iya sarrafa lanƙwasa ba." Duk da cewa WPC ba zai iya lanƙwasawa kamar siririn katako ba, samar da zafi yana ba da damar yin siffa ga lanƙwasa masu laushi (radius sama da mita 3-4). Don lanƙwasa masu ƙarfi, bayanan WPC masu sassauƙa tare da siraran tsakiya suna ɗaukar radius zuwa mita 2 idan aka dumama su zuwa digiri 80-100 na Celsius.

Saboda waɗannan kuskuren fahimta suna sa masu zane su ƙi WPC ba tare da yin kimantawa mai kyau ba, ina ba da shawarar samar da allunan samfura na zahiri don yin kwafi a wurin. Da zarar mai ginin ya ga samfurin WPC mai tsawon mita 3x3 tare da ƙayyadaddun katako, kwatancen kusan koyaushe yana fifita WPC don aikace-aikacen kasuwanci.

Dorewa da La'akari da Muhalli

Ga masu ginin kasuwanci da ke neman takardar shaidar gine-gine masu kore (LEED, BREEAM, ko DGNB), rufin WPC yana ba da gudummawa ga nau'ikan bashi da yawa:

• Abubuwan da aka sake amfani da su. Allon WPC yana ɗauke da kashi 50-60% na zare na itace (wanda aka samo daga sharar katako da aka sake yin amfani da shi da kuma samfuran injin yanka) da kuma kashi 30-35% na HDPE (roba da aka sake yin amfani da ita bayan amfani). Wannan kaso na abun ciki da aka sake yin amfani da shi ya cancanci samun LEED MR Credit: Building Product Disclosure and Integration — Samun Kayan Danye.
• Babu katako mai zafi. Amfani da WPC maimakon rufin katako na wurare masu zafi (Ipe, Cumaru, Balau) yana kawar da sare dazuzzuka da tasirin bambancin halittu da ke tattare da girbin katako na wurare masu zafi. Wannan ya yi daidai da ƙimar BREEAM MAT 03 (Responsible Sourcing).
• Sake amfani da shi a ƙarshen rayuwa.Ana iya niƙa rufin WPC sannan a sake fitar da shi zuwa sabo Samfurin Wpcs a ƙarshen rayuwa - ba kamar rufin katako da aka yi wa magani da abubuwan kiyayewa ba, waɗanda dole ne a zubar da su a matsayin sharar gida mai haɗari a cikin yankuna da yawa.

Saboda ana ƙera rufin WPC ne daga magudanar shara (zaren itace da aka sake amfani da shi da kuma filastik da aka sake amfani da shi), yana magance buƙatun tattalin arziki na zagaye waɗanda ake ƙara buƙata a cikin ƙayyadaddun buƙatun siyan jama'a na Turai.

Tambayoyin da Ake Yawan Yi