Chikwama chachikazi chomwe chili bwino, PU chikopa kapena chikopa cha ng'ombe?

Chabwino n'chiti, PU chikopa kapena chikopa cha ng'ombe?Kodi ubwino ndi kuipa kwawo ndi kotani?Titha kusankha malinga ndi zomwe timakonda!Tsopano anthu akagula matumba pa intaneti, nthawi zambiri amawona kuti zinthuzo ndi PU.PU ndi polyurethane, ndipo PU khungu ndi khungu la polyurethane zigawo zikuluzikulu.Tsopano opanga zovala amagwiritsa ntchito kwambiri nkhaniyi kuti apange zovala, zomwe zimadziwika kuti kutsanzira zovala zachikopa PU ndi chidule cha English ployurethane.Dzina lachi China la polyurethane lilinso ndi zabwino kapena zoyipa.Matumba ambiri abwino amagwiritsa ntchito zikopa za PU zochokera kunja;

U chikopa ndi chikopa cha ng'ombe zili ndi ubwino wawo, makamaka potengera zomwe amakonda.PU chikopa ndi mtundu wa chikopa chochita kupanga.Pankhani ya kulemera, chikopa cha PU ndi chopepuka kuposa chikopa cha ng'ombe, koma chikopa cha ng'ombe chimakhala chofewa komanso chofewa kugwiritsa ntchito kuposa chikopa cha Pu.Komabe, mtengo wa chikopa cha ng'ombe ndi wokwera kwambiri kuposa wa chikopa cha Pu, ndipo siwolimba ngati chikopa cha PU.

1, Ubwino ndi kuipa kwa pu chikopa

Chikopa cha Pu chimatsanziridwa mwachinyengo.Chigawo chake chachikulu ndi polyurethane.Chigawo chake ndi chobiriwira komanso chathanzi.Simaipitsa chilengedwe komanso sichiwononga thanzi la munthu.Ndizinthu zobiriwira zoteteza chilengedwe, zomwe tsopano zimagwiritsidwa ntchito ndi mafakitale ambiri a zovala.Chikopa cha PU ndi chotsika mtengo, chitha kugwiritsidwanso ntchito, ndipo chimagwiritsidwa ntchito kwambiri.

Kuphatikiza apo, mawonekedwe ake ndi okongola kwambiri, okhala ndi mawonekedwe ambiri, mitundu yolemera ndi yokongola, mawonekedwe ofewa, osalowa madzi, komanso chisamaliro chosavuta.Komabe, kuipa kwa chikopa cha PU ndikuti chimakhala ndi moyo waufupi wautumiki ndipo sichimavala.Zikopa zina za pu sizingatsimikizidwe kuti zili bwino, ndipo ubwino wake ukhoza kukhala wabwino kapena woipa, choncho tikulimbikitsidwa kuti mugule mu sitolo yogulitsira nthawi zonse kuti musanyengedwe.

2. Ubwino ndi kuipa kwa chikopa cha ng'ombe

Choyamba, ubwino wa chikopa cha ng'ombe ndikuti ndi cholimba mokwanira, chimakhala ndi nthawi yayitali yogwiritsira ntchito, ndipo chimamveka chofewa komanso chomasuka kugwiritsa ntchito.Zimakhala zomasuka kuvala, komanso sizivulaza thupi la munthu.Chikopa cha chikopa cha ng'ombe ndi chofewa komanso chofewa, chokhala ndi mizere yomveka bwino, chomveka bwino, ndipo chimakhala ndi mpweya wabwino komanso kutayika kwa kutentha.Nthawi yomweyo, zinthu zopangira zikopa za ng'ombe zimakhalanso ndi ntchito zabwino zoletsa chinyezi komanso kuyamwa thukuta.