Mapuloteni a polyurethane: ubwino, zizindikiro za kusankha ndi kugwiritsa ntchito

Mathalasi amasiku ano akhoza kukhala odzaza mosiyanasiyana ndi kuchita ntchito zosiyanasiyana. Zotchuka kwambiri, mwachitsanzo, masiku ano ndi mankhwala a mafupa omwe amathandiza thupi mwathunthu ndikugona mokwanira. Mankhwala omwe amagwiritsidwa ntchito kwambiri ndi awa: latex, mtedza wa kokonati, polyurethane kapena chisakanizo cha zigawozi. Tiyeneranso kukumbukira kuti mtengo wa zinthu zoterezi sungatchedwe wotsika, koma amakwaniritsa zofunikira zonse za ku Ulaya. Mathalasi a polyurethane akuyamba kuwonjezeka.

Tiyenera kukumbukira kuti chodzaza choterechi chimapangidwa, koma ndibwino kuti munthu akhale ndi thanzi labwino, alibe chilichonse chovulaza. Zoperekedwazo zodzaza ndi thovu polyurethane, zomwe, pambuyo poti solidification, pali maselo osawerengeka okhala ndi mpweya. Chifukwa cha ichi, chikhoza kukhalabe mu mawonekedwe ake oyambirira, sichivunda, zimakhudza chinyezi, tizilombo, kusintha kwa kutentha. Mathalasi a polyurethane amakhala ndi zotsatira za mafupa. Pankhaniyi, atagwiritsidwa ntchito, imabwerera ku mawonekedwe ake akale.

Tiyeneranso kukumbukira kuti pofotokozera polyurethane mateti amatha "kupumira", choncho sikudzakhala kotentha kwambiri. Ndipo chifukwa chakuti pali mpweya mkati, simuyenera kuzizira. Ngakhale zili ndi makhalidwe ake onse, mankhwalawa amakhala othandiza komanso ogwira ntchito yokha, yosungirako bwino komanso kusamalira. Mwachitsanzo, m'pofunika kuti nthawi zina ventilate ndizitsuka mankhwalawo, mawanga omwe amawonekera ayenera kuwonetsedwa.

Ngati mutasambitsa matiresi a polyurethane, yesetsani kuumitsa mumlengalenga. Musagwiritse ntchito zipangizo zosiyanasiyana zotentha. Yesetsani kutembenuza matiresi mwezi uliwonse kuti musatayike mankhwala ake a mafupa.

Mwachidziwikire, nkhaniyi iyenera kusankha bwino. Kuti muchite izi, ganizirani kukula kwa bedi, komanso kulemera kwake kwa munthu amene adzakhalapo kuti agone. Ngati mukufuna kugula mateti a polyurethane, mitengo yomwe siikwera kwambiri (mkati mwa ruble zikwi zinai), kwa ana, simuyenera kuchita izi ngati mwana wosakwana chaka chimodzi. Chowonadi ndi chakuti mankhwalawa si owopsa kwa mwanayo.

Mtengo ukufunikabe kumvetsera. Zoona zake n'zakuti m'munsimu, ndipang'ono pomwe kuchuluka kwa mateti wokha. M'tsogolomu, mankhwala oterewa ndi ofooka mwamsanga ndipo adzataya mawonekedwe ake.

Mtundu wapadera ndi mateti odana ndi mabedi omwe amapangidwa ndi polyurethane. Zimagwiritsidwa ntchito m'mabungwe azachipatala. M'nyumba zapakhomo nthawi zambiri sagwiritsidwa ntchito. Zachilendo zake n'zakuti zimapangidwa ndi viscoelastic polyurethane. Mateti oterowo akhoza kukhala olimba komanso olimba. Ubwino wa mankhwalawa ndi mphamvu yake yowonjezera kugwedezeka ndi mantha. Zimathandizira kugawa kwa katundu mu thupi lonse, kotero kuti magazi omwe ali m'zitsulo sakula. Gwiritsani ntchito matiresi oterewa chifukwa cha kuvulala, pambuyo pake munthu ayenera kunama kwa nthawi yayitali, komanso matenda osiyanasiyana a mafupa, popeza amatha kuchepetsa ululu.