Fenti mai hana lalatawa na polyurethane mai ruwa-ruwa shafi ne mai sassa biyu wanda ya ƙunshi resin polyurethane da aka shigo da shi daga ruwa, launuka masu jure yanayi, ƙarin abubuwa daban-daban, da kuma maganin warkarwa mai jure wa rawaya na aliphatic da aka samo daga ruwa, yana da kyakkyawan aikin hana lalata da kuma dacewa da muhalli. Wannan samfurin yana da ƙarancin VOC, wanda ya cika buƙatun kariyar muhalli na zamani yayin da yake ba da aikin kariya wanda ya yi daidai da fenti na gargajiya na mai narkewa.
● Amfani da ruwa a matsayin mai narke ruwa, mara ƙamshi, ba ya gurɓata muhalli, ba ya ƙonewa kuma ba ya fashewa.
● Juriyar launin rawaya, juriyar yanayi mai kyau, kyakkyawan sheƙi da riƙe launi.
● Mai sheƙi sosai da kuma kyakkyawan laushi.
● Mannewa mai kyau, tauri mai yawa, juriyar lalacewa mai yawa.
● Ruwa, mai, sinadarin narkewa da kuma juriya ga sinadarai masu kyau.
● Kyakkyawan juriya ga zafi da danshi da feshi na gishiri.
Ana amfani da fenti mai ɗauke da ruwa a cikin rufin rufin ado na waje wanda ke da buƙatar kyan gani sosai, kamar injina, tankunan haɗawa, gadoji, tankunan ajiya, kwantena, jiragen ruwa, musamman ababen hawa. Haka kuma ana iya amfani da su don rufin filastik, suna ba da launi da kariya ga kayayyakin filastik kamar su akwatunan kayan lantarki, kayan wasa, da kayan gida.
| Abu | Bayanai |
| Launi da bayyanar fim ɗin fenti | Duk launuka da yanayin iri ɗaya |
| Inganci, μm | ≤40 |
| Kwanciyar ajiya (50℃±2℃,7d) | al'ada |
| Lokacin Busasshiyar Ruwa, h (25℃) | Busar da saman≤ 2 |
| Busasshen Tauri≤ 24 | |
| Tauri | ≥ H |
| Gwajin lanƙwasa, mm | ≤2 |
| Juriyar Tasiri, kgcm | 50 |
| Juriyar lalacewa (500g/500r), g | ≤0.06 |
| Juriyar Ruwa | Awanni 48 babu wani rashin lafiya |
| Juriyar Acid (5% H)2SO4) | Awanni 24 babu wani rashin lafiya |
| Juriyar Alkali (NaOH 5%) | Awanni 24 babu wani rashin lafiya |
| Juriyar fesa gishiri | Awanni 400 babu kuraje, babu barewa, an yarda da ɗan canza launi |
| Juriyar yanayi, tsufa mai sauri na tsawon sa'o'i 1000 | Babu wani tsagewa bayyananne, canza launi ≤ 2, asarar haske ≤2 |
Ma'aunin aiwatarwa: HG/T 4761—2014
Domin tabbatar da mannewa da kuma kariyar tsatsa na dogon lokaci, dole ne a tsaftace saman substrate sosai daga mai, tsatsa, sikelin, tsohon fenti, da kuma ƙazanta kafin a shafa. Ka'idojin shiri ya kamata su cika waɗannan ƙa'idodi::
Duk saman da za a shafa ya kamata ya kasance mai tsabta, bushe kuma ba ya gurɓatawa. Kafin a yi fenti, dukkan saman ya kamata su yi daidai da ƙa'idar ISO.8504: 2000kimantawa da sarrafawa na yau da kullun.
An harba ƙarfen da aka yi sikelin zuwa Sa2.5matakin, ƙaiƙayin saman shine 30-75μm, ko kuma an cire shi, an cire shi kuma an cire shi;
An busar da ƙarfe mara oxide zuwa Sa2.5daraja, ko kuma an goge shi zuwa St.3aji tare da dabaran niƙa mai amfani da pneumatic ko lantarki;
Ya kamata a goge ƙarfen da aka shafa da fenti na bita, tsatsa da fari da aka yi a kan faramin zinc sau biyu, a cire farin tsatsa a goge shi zuwa St.3.
Sauran saman Ana amfani da wannan samfurin don wasu substrates, da fatan za a tuntuɓi sashen fasaha namu.
Dole ne saman da aka yi wa magani ya kasance mai tsabta, bushe, babu mai, babu ƙura, sannan a shafa fenti cikin awanni 6 bayan an yi masa yashi don hana tsatsa a saman.
Zafin substrate bai kai ƙasa da 5 ℃ ba, kuma aƙalla 3℃ ya fi zafin wurin raɓar iska, kuma ɗanɗanon da ke tsakanin waɗannan abubuwan ya kai <85% (ya kamata a auna zafin jiki da ɗanɗanon da ke tsakanin waɗannan abubuwan). An haramta ginawa a lokacin hazo, dusar ƙanƙara da kuma yanayin iska.
Zafin substrate bai kai ƙasa da 5 ℃ ba, kuma aƙalla 3℃ ya fi zafin wurin raɓar iska, kuma ɗanɗanon da ke tsakanin waɗannan abubuwan ya kai <85% (ya kamata a auna zafin jiki da ɗanɗanon da ke tsakanin waɗannan abubuwan). An haramta ginawa a lokacin hazo, dusar ƙanƙara da kuma yanayin iska.
Mataki na 1: Shiri na saman ƙasa (TheMaɓalliMataki)
Ingancin shirye-shiryen saman kai tsaye yana ƙayyade mannewa da tsawon rayuwar fim ɗin fenti.
Dole ne a yi amfani da man shafawa a saman ƙarfe kuma a cire tsatsa (bisa ga ƙa'idodin Sa2.5 ko St3) don tabbatar da cewa saman ƙarfe da za a fenti dole ne ya kasance mai tsabta sosai, bushe gaba ɗaya, kuma babu gurɓatattun abubuwa kamar mai, mai, ƙura, gishiri, sikelin, da tsohon fenti mai laushi. Ba a yarda da danshi ko danshi da ake gani ba.
Ya kamata saman da aka yi wa magani ya cika ƙa'idodin tsabta da ƙazanta na ƙira, kuma a shafa fenti da wuri-wuri don hana sake dawowa da tsatsa ko gurɓata ta biyu.
Mataki na 2: Aiwatar da Farar Firam
Domin tabbatar da ingantaccen hana tsatsa, a ba da shawarar shafa fenti 1 na hana tsatsa, zai iya inganta mannewa ga substrate kuma yana da kyawawan kaddarorin kariya daga tsatsa.
Mataki na 3: Shafa fenti mai launin polyurethane mai ruwa
Bayan buɗe bokitin, a juya daidai gwargwado ta amfani da mahaɗin lantarki har sai launi da ɗanko sun daidaita, a hankali a zuba ɓangaren B (mai warkarwa) a cikin ɓangaren A (fenti), sosai bisa ga rabon da aka ƙayyade (bisa ga nauyi). Bayan an juya gaba ɗaya, a bar cakuda ya tsaya na minti 5-10 don ya girma. Sannan a yi amfani da murfin da aka haɗa cikin awanni 4 (lokacin tukunya). Sannan a goge/birgima ko feshi, feshi mara iska yana ba da mafi girman inganci kuma yana samar da mafi kyawun ingancin fim ɗin fenti. Idan kuna da kayan aiki da dabaru na ƙwararru, zai fi kyau. Yawan fenti na ka'ida shine 0.2kg/m²/shafi. (Aiki na ainihi na iya bambanta dangane da yanayin saman, porosity, hanyar amfani da dabarar mai aiki.)
*Idan ana buƙatar rage kitse, a narkar da ruwan da aka cire daga ion ɗin bisa ga danko da hanyar da aka yi amfani da shi (goga, birgima, ko fesawa). A daidaita danko don ya dace da takamaiman hanyar amfani.
* Rabon narkewar ruwa na kashi 5-20% ta nauyi. Rage nauyi zai yi mummunan tasiri ga ginin fim, ƙarfin ɓoyewa, da kuma dorewar sa na dogon lokaci.
* Kafin a shafa fenti na gaba, a tabbatar da cewa fenti na baya ya warke gaba ɗaya, ya yi tsabta, ya bushe, kuma babu wani gurɓataccen abu.
* A guji motsa jiki da ƙarfi don hana shigar da kumfa mai yawa.
* Tazarar Sake Shafawa: A cikin yanayi mai ɗan lalata: fenti mai laushi 1 + fenti mai laushi 2 + fenti mai laushi 2; a cikin yanayi mai tsananin lalata, ƙara kauri na shafa.
Feshi: Feshi ba tare da iska ba ko feshi ta iska. Ana ba da shawarar yin amfani da feshi mai ƙarfi wanda ba shi da iska.
Gogewa/Birgima: Dole ne a cimma kauri da aka ƙayyade na busasshen fim.
▶ Zafin ginin shine 5℃-35℃ (Ana yin gyare-gyare na musamman bisa ga halayen samfurin, danshi shine ≤80%.
▶ A kula da iska mai kyau don sauƙaƙa fitar da danshi da kuma tsaftace fim ɗin fenti.
▶ Kare daga daskarewa yayin ajiya.
▶ Dole ne a sa kayan kariya yayin amfani da yashi
▶ Hazo, ruwan sama, dusar ƙanƙara, iska da ruwan sama haramun ne a gina su.
▅ A adana a cikin wani wuri mai sanyi, bushe, mai iska a cikin gida a zafin jiki na 5-35 ℃, a guji daskarewa da hasken rana kai tsaye;
▅ Tsawon rayuwar samfurin shine watanni 12. Idan samfuran da suka wuce lokacin ajiya za a iya amfani da su bayan an gama binciken.
Fenti: 20kg/bokiti, wakili mai taurare/mai warkarwa: 4Kg/bokiti ko kuma a keɓance shi