Masiku ano, TDI kapena MDi amasankhidwa kukhala zida zazikulu zopangira zinthu zambiri, kaya amachiritsa othandizitsa, zofewa komanso zolimba, zotupa, puather penti zikopa. Hchifukwa chakutimwinaTdiorMmbo, zakemphete ya Benzeneku TDI ndi MDikulumikizana mwachindunjiskwaisoucymagulu, ndipo piringu amalumikizana ndi NCO. Mothandizidwa ndi Light, kutentha, oxygen, makamaka radiation ya ultraviolet, izoimatha kuyambitsa kulumikizana kwa ammonia eltendiPangani Amine Amine, pomwebenzene nyukiliyaamakonzanso pambuyomankhwala. Izi zimapanga magulu a chrombophic omwe amachititsa chikasu pazinthu zomaliza.Diso la munthu limakonda kwambiri utoto, nthawi zambiri ma ppm ochepa okhala ndi chilengedwe amachititsa kuti mawonekedwe achikasu.
Kuti muthane ndi vuto lachikasu Koma mtengo wa zopangira izi ali ndi zolakwa zoterezi: Mtengo ndiwokwera mtengo kwambiri, kukana kwamphamvu kwamankhwala, kulimba mtima sikokwanira .... Izi zimaletsa kukweza kwa HDI pa PU.
Njira inanso yothetsera vutoli popanga ndikusunga kuti ipange kulumikizana ndi okosijeni momwe mungathere. Njira yothandiza kwambiri ndikuwonjezera antioxidant ndipoUV Trentber, omwe amatha kupewa bwino ndikuchedwa kupezeka kwa pulo chikasu.
Yihoo Hn130 ndi Amine Anti-chikasu. Ndi'sMonga msuri wokhazikika pamapunga, ali ndi kusankha kwabwino kwa nitric oxide (ayi)ndinitrogen dioxide (No2),ndimoyenera kupewachikasu choyambitsidwa ndiKugwedezeka kwa mpweya.
Yihoo hn130 imagwiritsidwa ntchito kwambiri mu puZipangizo Zakuumba, zida zapamaso, pulasitiki, ulusi wa polyirethane ndi zokutira polyirethane, ndikuwonjezera moyo wa ntchitos.
Nthawi zonse mwalandilidwa kuti mulumikizane nafe kufunsa!
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Post Nthawi: Nov-22-2021