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News - Kodi polyurethane ndi chiyani
Mikufoam is a manufacturer specializing in the production of various foam products

Kodi polyurethane ndi chiyani

Polyurethane (PU), yemwe dzina lake lonse ndi polyurethane, ndi polima pawiri.Anapangidwa ndi Otto Bayer ndi ena mu 1937. Polyurethane ili ndi magulu awiri: mtundu wa poliyesitala ndi mtundu wa polyether.Zitha kupangidwa kukhala mapulasitiki a polyurethane (makamaka thovu), ulusi wa polyurethane (wotchedwa spandex ku China), mphira wa polyurethane ndi elastomers.

kukula_thovu

Polyurethane yofewa makamaka imakhala ndi mzere wa thermoplastic.Ili ndi kukhazikika bwino, kukana kwamankhwala, kulimba mtima komanso makina amakina kuposa zida za thovu la PVC, ndipo imakhala ndi kupindika kochepa.Kutentha kwabwino, kutsekemera kwamawu, anti-vibration ndi anti-virus magwiridwe antchito.Chifukwa chake, imagwiritsidwa ntchito ngati kuyika, kutsekereza mawu, ndi zinthu zosefera.

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Pulasitiki yolimba ya polyurethane imakhala ndi kulemera kopepuka, kutchinjiriza kwabwino kwambiri, kutsekereza kutentha, kukana mankhwala, kuyendetsa bwino kwamagetsi, kukonza kosavuta, komanso kuyamwa kwamadzi otsika.Amagwiritsidwa ntchito kwambiri ngati zida zomangira, magalimoto, makampani oyendetsa ndege, komanso kutchinjiriza kwamafuta.

The katundu polyurethane elastomer ali pakati pulasitiki ndi mphira, kukana mafuta, kukana abrasion, kukana kutentha otsika, kukana kukalamba, mkulu kuuma ndi elasticity.Amagwiritsidwa ntchito makamaka m'makampani a nsapato ndi zamankhwala.Polyurethane itha kugwiritsidwanso ntchito kupanga zomatira, zokutira, zikopa zopangira, etc.

Engineering-Polyurethane-Elastomer-PU-Roller-Wheel-Plastic-Injection-Molded-Products-HD52-Polyurethane-Injection-Molding

Polyurethane anawonekera mu 1930s.Pambuyo pazaka pafupifupi makumi asanu ndi atatu za chitukuko chaumisiri, izi zakhala zikugwiritsidwa ntchito kwambiri pazinthu zapakhomo, zomangamanga, zofunikira za tsiku ndi tsiku, zoyendera, ndi zipangizo zapakhomo.

Msika wapadziko lonse wa polyurethane umapezeka makamaka m'maiko otukuka ku Europe ndi America.Dera la Asia-Pacific likuimiridwa makamaka ndi China, Japan, ndi South Korea.Mayiko ndi zigawo zomwe zili pamwambazi ndi 90% ya msika wapadziko lonse wa polyurethane.Pakati pawo, kugwiritsa ntchito polyurethane mdziko langa ndi theka la dziko lapansi.Pali mitundu yambiri ya zinthu zopangidwa ndi polyurethane padziko lapansi ndipo zimagwiritsidwa ntchito m'magawo osiyanasiyana.Pofika kumapeto kwa 2016, kuchuluka kwa polyurethane padziko lonse lapansi kwafika pafupifupi matani 22 miliyoni.


Nthawi yotumiza: Jun-03-2019