Polyurethane enamel: bayanin, halaye, iri, aikace-aikace

Don kare saman daga mummunan tasiri, ciki har da yanayin yanayi, ana amfani dasu a yau da kullum, polyurethane enamel, wanda aka miƙa don sayarwa a cikin kewayon sarari. Wannan cakuda shine nau'in polymers wanda ke da kariya masu kariya. Idan ka kwatanta wannan abun da ke ciki tare da wasu takarda, to, tare da polyuréthane enamel ba zai iya kwatanta wani zaɓi ba. Sau da yawa, wannan abun da ake amfani da shi yana amfani da shi a matsayin mai tsaro, tun da fim din yana da babban haɗari.

Ƙayyade na polyuréthane enamels

Ana rarraba haɗin haɗin polyurethane bisa ga kayan da za a rufe, da kuma irin aikace-aikacen da abun da ke ciki. Yi amfani da goga ko mai ba da kyauta ta aerosol don aikace-aikace. Field na amfani polyurethane enamel fadi da isa daban-daban za a iya amfani da wani dutse, da na itace ko karfe. Kafin amfani da cakuda polyurethane, itace ba ya buƙatar farawa, dole ne a bushe shi da kyau.

Bayanan fasaha

Polyurethane daya-component enamel ne abun da ke ciki da aka yi da polyurethane, pigment da sauran ƙarfi. Daga cikin manyan halaye na wannan cakuda ya zama:

• Durability;
• Elasticity;
• Harmless bayan evaporation na sauran ƙarfi;
• Tsaro na kariya.

Magunguna na polyurethane sun dace sosai a saman sassa masu hadari.

Daban polyurethane enamels

Polyaméthane enamel zai iya zama ruwa. Daga cikin abubuwan da ake amfani da shi shine rashin lahani a mataki na matakai da kuma yiwuwar sauyawa tare da ruwa mai ma'ana. Tsarin ruwa mai tsabta irin wannan enamels ba shi da shawarar. Wannan ya hada da sintiri, bakin karfe da filastik.

Ana wakilci polyurethane ta hanyar gyare-gyare na musamman wanda ya ba da damar adana abun da aka adana a matsayin mai yaduwa mai guba. Wannan yana ba da damar yin amfani da sanyi mai tsanani. Idan akwai wajibi ne a fentin bene a cikin dakin samarwa, an bada shawarar bada fifiko ga abun da ke ciki tare da kwayoyin halitta.

Polyurethane enamel a kan kwayoyin kwari

Ana iya yin enamel polyurethane a kan tushen kwayoyin, misali, xylene ko toluene. Domin dilution, yana da kyau a yi amfani da ƙididdigar ƙididdigar, waɗanda aka ƙera su da shawarar. Bayan ƙarfin ƙarfin, wanda ya ɗauki kwanakin biyu, wannan shafi yana da halaye da ake kira halayen da ya fi dacewa: karko, juriya na ruwa, tsayayya da yanayin mugaye.

Polyurethane Paint enamel wani ne alkyd-urethane, su ana amfani da su haifar da wani na roba da kuma m shafi wanda solidifies sannu a hankali, kuma yana da m wari a lokacin rini. Farashin ga irin wannan gaurayawan yana da ƙananan ƙananan idan aka kwatanta da guda-guda urethane enamels.

Bayanin bayanin polyurethane enamels guda biyu

Enamel polyurethane abu guda biyu ya ƙunshi hardener da enamel, wanda aka ƙaddara ta farko kafin amfani. Cakuda ya kasance mai yiwuwa don tsawon sa'o'i 3, kuma bushewa yana da sa'o'i 6. Kudin wannan abu yana da tsawo, kamar yadda ƙarfin shafi yake. Irin wannan enamel polyurethane na karfe za'a iya amfani dashi don tsarin sifofi, wadda za a ɗora ta a cikin yanayin samarwa kuma ana gudanar da shi a cikin shaguna masu zafi tare da yanayi mai rikici.

Babban iyakar da zafin aiki na wannan cakuda shine +80 ° C kuma zai kai 100 ° C. Idan akwai buƙatar rufe tsarin, wanda za'a yi amfani dashi a yanayin haɗarin wuta, to, ya kamata ka sami mahadi na musamman. Alal misali, paintin akan karfe "Polystyl" a ƙarƙashin rinjayar zafin jiki zai haifar da kumfa na carbon, wanda zai iya ƙaddamar da wuta har zuwa sa'o'i 1.5.

Yin amfani da polyaméthane enamel "Elakor-PU"

Idan kana buƙatar lakabi-polyurethane enamel, kula da "Elakor-PU", wanda farashin kilogram din yana da 275 rubles. Aiwatar da wannan fili ya kamata a karkashin wasu sharuɗɗa, wanda aka bayyana a cikin rashin ruwa na ruwa daga ƙasa. Yana da mahimmancin samun tushe mai tsafta. Gidan da ya rage ya kamata ya wuce 5%. Kafin yin amfani da abun da ke ciki, farfajiyar ya kawar da yankunan mai yalwa. Idan yana da tushe, to, ya kamata a yi sanded ta amfani da na'ura na musamman don cire ragowar tsohon fenti, datti da madarar cimin.

Kafin yin amfani da enamel polyurethane don gyare-gyare, dole ne a tsawaita surface tare da mai tsabtace masana'antu, sa'an nan kuma rufe shi da maɓalli daga wannan kamfani. Kafin yin amfani da shi, an gauraye cakuda sosai, kuma dole ne a yi amfani da shi tare da kayan ado na polyamide a cikin 4 yadudduka. Mafi yawan adadin yadudduka ne 2, lambar ƙayyade za ta dogara ne akan aikin da ake bi. Tsakanin layi, jira game da sa'o'i 4-8.

Aikace-aikacen enamel don kankare "Elakor-PU Emal-60"

Wannan enamel yana da launi mai launi guda ɗaya wanda ke sarrafa launin semigloss, a matsayin babban amfani wanda shine yiwuwar aikace-aikacen a yanayin zafi mara kyau. Bayan gyaran polymerization, nau'in polymer na da wuya a kunno kai, wanda zai zamanto haɗari.

Shirin yana kunshe da tsabtatawa da tsaftacewa, wanda aka rufe shi da enamel a zafin jiki daga -30 zuwa +25 ° C. Yanayin zafin jiki na kayan abu na iya bambanta daga +10 zuwa +25 ° C. Yana da mahimmanci a la'akari da yanayin zafi na iska, bai kamata ya wuce 80% ba. Kafin aikace-aikacen, harsashi yana haɗuwa har sai uniform in launi da daidaito. Don yin wannan, zaka iya amfani da mahaɗi don takarda, wanda aka saita zuwa gudun a cikin kewayon 400 zuwa 600 a minti daya.

Don aikin, zaka iya amfani da rollers ko goge wadanda suke da tsayayya ga haɓaka. Za a iya amfani da fasaha mai ba da iska ta iska. Ɗaya daga cikin Layer, wanda wani yanki ne mai mita, zai ɗauki kimanin 150 grams na enamel. Sakamakon karshe zai dogara ne akan sassaucin surface. Rashin bushewa na Layer-by-layer yana da adadin lokaci kamar yadda aka yi a cikin bambancin da aka bayyana.

Kammalawa

Idan ka shawarta zaka yi amfani da fili na polyurethane guda biyu, ya kamata ka yi la'akari da cewa ba'a aiwatar da aikace-aikacen a kan saman rigar ba. Wannan abin da ake bukata shi ne saboda gaskiyar cewa hardener za ta amsa tare da ruwa ta hanyar sakin carbon dioxide, wanda ke inganta kumfa daga farfajiya.