Ubwino wa Magnesium Hydroxide Flame Retardant

Ubwino wa Magnesium Hydroxide Flame Retardant

Magnesium hydroxide ndi mtundu wachikhalidwe wa choletsa moto chopangidwa ndi filler. Chikayikidwa pa kutentha, chimawola ndikutulutsa madzi omangika, zomwe zimapangitsa kuti kutentha kwambiri kukhale kobisika. Izi zimachepetsa kutentha kwa pamwamba pa zinthu zophatikizika zomwe zili mu malawi, kuletsa kuwonongeka kwa polima ndikuziziritsa mpweya woyaka womwe umapangidwa. Magnesium hydroxide ndi chodzaza chodalirika cha zinthu zophatikizika za polima. Monga aluminiyamu hydroxide, imagwira ntchito poyamwa kutentha kudzera mu kuwola kwa kutentha ndikutulutsa madzi, zomwe zimapangitsa kuti ikhale yopanda poizoni, yopanda utsi wambiri, komanso yoteteza chilengedwe, chifukwa magnesium oxide yomwe imachokera imakhala yokhazikika ndipo siyimayambitsa kuipitsa kwachiwiri.

Komabe, poyerekeza ndi zinthu zoletsa moto zachilengedwe zokhala ndi halogen, kukwaniritsa zotsatira zomwezo zoletsa moto kumafuna chiŵerengero chodzaza cha kupitirira 50%. Popeza magnesium hydroxide ndi yopanda chilengedwe, pamwamba pake sipagwirizana bwino ndi zinthu zosungiramo zinthu za polima. Chiŵerengero chodzaza choterechi, popanda kusintha pamwamba, chingawononge mphamvu za makina a zinthu zophatikizana. Chifukwa chake, kusintha pamwamba ndikofunikira kuti pakhale mphamvu zogwirizanitsa ndi zinthu zosungiramo zinthu za polima, kuonetsetsa kuti mphamvu za makina a zinthu zodzazidwazo sizikuwonongeka—kapena kuwonjezeredwa m'mbali zina.

Munthawi yonse yoletsa moto, magnesium hydroxide sipanga zinthu zovulaza. Kuphatikiza apo, zinthu zake zowola zimatha kuyamwa mpweya woopsa wambiri ndi utsi wopangidwa ndi kuyaka kwa rabara, mapulasitiki, ndi ma polima ena. Magnesium oxide yogwira ntchito nthawi zonse imayamwa zotsalira zosungunuka zomwe zimayaka bwino, kuzimitsa moto mwachangu komanso kuchotsa utsi ndikuletsa kutuluka kwa moto. Ndi chida chachikhalidwe choletsa moto chosawononga chilengedwe.

Pakadali pano, aluminiyamu hydroxide imagwiritsidwa ntchito kwambiri ku China. Komabe, pamene kutentha kwa polima kumawonjezeka, aluminiyamu hydroxide imawola, zomwe zimachepetsa mphamvu yake yoletsa moto. Poyerekeza, magnesium hydroxide imapereka zabwino izi:

1. Kutentha Kwambiri Kowonongeka kwa Kutentha - Magnesium hydroxide imawola pa 340°C, yomwe ndi yokwera ndi 100°C kuposa aluminiyamu hydroxide. Izi zimathandiza kutentha kwambiri kwa pulasitiki, kukonza bwino ntchito yotulutsa, kukulitsa pulasitiki, kuchepetsa nthawi yopangira, ndikuwonetsetsa kuti pamwamba pake pali kuwala kochepa komanso zolakwika zochepa pamene ikusunga mphamvu yamphamvu ya peel.
2. Kukula kwa Tinthu Tofanana & Kugwirizana Kwabwino - Kugawa kwake tinthu tofanana kumatsimikizira kuti timagwirizana bwino ndi tinthu tating'onoting'ono, kuchepetsa kukhudzidwa kwa mphamvu ya makina a chinthucho.
3. Kupanga Chotchinga Choteteza - Pambuyo pa kutaya madzi m'thupi panthawi yoyaka, magnesium oxide yomwe imachokera imakhala chinthu champhamvu kwambiri, chosatentha chomwe chimagwira ntchito ngati chotchinga choteteza, cholekanitsa malawi ndi mpweya woopsa. Magnesium hydroxide imaletsanso mpweya wa acidic (SO₂, NOx, CO₂) womwe umapangidwa panthawi yoyaka pulasitiki.
4. Kuwola Kwambiri ndi Kuletsa Utsi - Imasonyeza mphamvu zolimba zoletsa moto komanso zoletsa utsi pomwe siigwira bwino ntchito pazida, motero imawonjezera nthawi ya moyo wa makina.
5. Yotsika Mtengo - Magnesium hydroxide yoletsa moto ndi theka la mtengo wa aluminiyamu hydroxide. Kudzaza kwake kwakukulu kumachepetsa kwambiri ndalama zopangira.

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