Polyurethane thovu - Features & zofunika

Ngakhale kuti thovu kulibe kwa nthawi yaitali mu ogula malonda, izo amakonda kufunika wamkulu mwa akatswiri ndi Amateurs. Ichi ndi chifukwa chakuti sealant ndi yosavuta kugwiritsa ntchito ndipo kwambiri mu magwiridwe ake.

Fomu kumasulidwa

Mukhozanso thovu mu zonenepa amene kuchuluka zambiri okwanira 1. Pa 1 \ 4 yamphamvu wodzazidwa ndi mpweya wothinikizidwa, ndi zina ladzala ndi polyurethane chigawo wapadera. Kwenikweni, thovu ntchito kudzaza ming'alu zosiyanasiyana, linagawanika, mabowo kapena cavities ena kutsekedwa.

Kuchokera pa makhalidwe, dzina lolondola nkhani - polyurethane thovu. Masiku ano, msika ladzala ndi mitundu yosiyanasiyana ya zipangizo ntchito pomata mfundo opangidwa pa unsembe wa zitseko, mawindo, etc., koma ichi thovu - kwambiri zosavuta, yosavuta komanso zothandiza njira kwa cholinga ichi. Iye waima pakati pa zipangizo zina zimene breathable, kugonjetsedwa kwambiri kuti katundu kunja (monga mphepo kapena kanthu mawotchi) ndi zolimba kwambiri, yosavuta kugwiritsa ntchito ndi kupezeka pa magulu mtengo. Komabe, ntchito lalikulu zedi kwambiri kungayambitse mavuto aakulu.

Polyurethane thovu - makhalidwe

Pamene mankhwala thovu, iwo analandira n'kukhala mankhwala khola mankhwala otchedwa polyurethane. Poyamba, wopangidwa mwa zigawo izi: a polyisocyanate, catalysts kuti imathandizira mankhwala ndondomeko, propane-byuteni kusakaniza komanso zipangizo amene kuonjezera kukana kuti moto. Iwo agawidwa mitundu iwiri: chimodzi chigawo ndi ziwiri zikuluzikulu. Komanso, pali dzinja ndi chirimwe polyurethane thovu, komanso banja ndi ntchito akatswiri. Amasiyana ndi mnzake mu mlingo wa moto kukana.

Pamene thovu wachita anaonekera pa msika ndipo anayamba ntchito omanga nyumba, nthawi yomweyo chidwi akatswiri amenewa makhalidwe monga kutchinjiriza phokoso, mkulu katundu kusindikiza, kutchinjiriza, makhalidwe unsembe. Koma kuti ntchito polyurethane thovu wapindula, m'pofunika ntchito, kusunga malangizo sayansi.

kusankha olondola

Masiku ano, pali opanga zambiri thovu komanso mitundu yake yosiyanasiyana ndi makhalidwe osiyana. Pamene inu kusankha mtundu kugula, ayenera kuganizira ena a malangizo. Mwachitsanzo, chithovu buku chizindikiro linanena bungwe lomwe osonyezedwa zonenepa ndi si kudziwa muyezo. Amayamba chifukwa chakuti chizindikiro akuimira chiwerengero cha chinthu amene analandira pansi makhalidwe abwino yozungulira wina mpweya kutentha, chinyezi, kuthamanga etc. malo awo a ntchito zosiyanasiyana pomanga kapena ziwembu munda akhoza zimasiyana kwambiri, motero katswiri polyurethane thovu ndi yabwino osati kwa aliyense. Komanso, kumbukirani kuti buku la nkhani pa kubwereketsa ndi nthawi zambiri ankachita masewera sealant ndi za lachitatu. Komanso, kusankha botolo ndi thovu, kulabadira kulemera kwa yamphamvu ya. Muyeso wake - ndi magalamu 900.