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Awiri chigawo polyurethane guluu gulu ngodya guluu
1. Zomwe Zilipo Mankhwalawa ndi guluu wamagulu awiri a polyurethane pazitseko ndi mawindo apamwamba.Ili ndi mawonekedwe amphamvu kwambiri, kulimba kwambiri, kusindikiza kwambiri, kuchita bwino kwambiri komanso kutentha pang'ono, komanso kukana kwanyengo.Chachiwiri, kuchuluka kwa ntchito A...Werengani zambiri -
White latex
White latex, yotchedwa PVAC emulsion, ndi zomatira za thermoplastic, ndi zomatira zachilengedwe zochokera m'madzi.Ikhoza kuchiritsidwa kutentha kwa chipinda, kuchira msanga, mphamvu yomangirira kwambiri, kulimba kwabwino komanso kulimba kwa chingwe chomangira komanso chosavuta kukalamba.Amagwiritsidwa ntchito kwambiri mumitengo, mipando ...Werengani zambiri -
PVA guluu woyera
PVA guluu ndi chidule cha Polyvinyl acetate.Maonekedwe ndi ufa woyera.Ndi mtundu wa polima wosungunuka m'madzi wokhala ndi ntchito zosiyanasiyana.Kuchita kwake kuli pakati pa pulasitiki ndi mphira.Ntchito zake zitha kugawidwa m'magulu awiri akuluakulu: fiber ndi non-fiber.Chifukwa PVA ili ndi zomatira zamphamvu zapadera ...Werengani zambiri -
Polyurethane madzi zokutira
Kupaka kwa madzi a polyurethane ndi mtundu wa prepolymer yomwe ili ndi Isocyanate yomwe imakonzedwa ndikuwonjezera ma polymerization a Isocyanate, polyether ndi zina zotero, ndi chothandizira, chowonjezera cha anhydrous, anhydrous filling agent, zosungunulira, ndi zina zotero. ..Werengani zambiri -
VAE Redispersible Latex Powder
Ntchito zoyambira: RDP Powder ndi ufa wamadzi wonyezimira kapena wopanda madzi oyera opangidwa ndi kupopera-kuyanika emulsion yapadera yamadzi.Ufa wa RDP umapanga filimu itatha kubalalitsidwa ndipo imakhala ngati chomatira chachiwiri.Colloid yoteteza imatengedwa ndi matope (sidzawonongedwa ndi madzi ...Werengani zambiri -
Kupanga zitseko zamoto PU guluu
Khomo lamoto ndi mtundu watsopano wa khomo lomwe lapangidwa m'zaka zaposachedwa kuti likwaniritse zofunika kwambiri zomanga chitetezo cha moto.Mitundu ya zitseko zamoto imayikidwa molingana ndi malire osiyanasiyana oletsa moto.Malinga ndi malire osiyanasiyana oletsa moto, muyezo wapadziko lonse lapansi ...Werengani zambiri -
Kusamala yozizira yomanga kukongola olowa
Pambuyo pa mame ozizira, nyengo imakhala yozizira ndipo mpweya wa autumn ndi wozizira, yomwe ndi nthawi yabwino yomanga mgwirizano wa kukongola.Komabe, chifukwa cha kuchepa kwa kutentha, kumangidwa kwa cholumikizira chokongola kumakhudzana ndi kutentha kwamkati, chinyezi ndi mpweya wabwino, zomwe zimayika patsogolo ...Werengani zambiri -
Chifukwa chiyani guluu wapadziko lonse amapakidwa mu tinplate?
Kupaka kwa tinplate sikumangotengera guluu wamba, makamaka muzakudya.Tiyeni tiphunzire za nkhani ya tinplate pamodzi.Ku China, tinplate inkatchedwa "Yangtie" m'masiku oyambirira, ndipo dzina lake lasayansi linali pepala lopangidwa ndi malata.Chifukwa choyamba cha China ...Werengani zambiri -
Kuteteza zachilengedwe magwiridwe antchito a latex ndi mawonekedwe
Izi ndi zomatira zosungunuka m'madzi, zomwe ndi zomatira za thermoplastic zokonzedwa ndi polymerization ya vinyl acetate monomer pansi pa zochita za woyambitsa.Nthawi zambiri amatchedwa white latex kapena PVAC emulsion mwachidule.Dzina lake lamankhwala ndi zomatira za polyvinyl acetate.Amapangidwa ndi acetic acid ...Werengani zambiri -
Mavuto omwe amapezeka pakugwiritsa ntchito guluu wamba
1Kodi mungafotokozere bwanji kuphulika kwa bolodi lopanda moto pambuyo pa gluing?Bokosi losayaka moto limakhala lolumikizana bwino.Pambuyo pa kusisita, zosungunulira za organic zomwe sizinasunthike mu guluu zimapitilira kugwedezeka ndikuwunjikana mdera lanulo.Pamene kuthamanga kwachulukira kuyambiranso ...Werengani zambiri -
Kodi zomatira za UV zitha kugwiritsidwa ntchito pa kamera?
Zigawo za kamera Kamera imapangidwa ndi lens yagalasi ya kuwala.Galasi la kuwala limapangidwa ndi silicon yoyera kwambiri, boron, sodium, potaziyamu, nthaka, lead, magnesium, calcium, barium ndi ma oxides ena osakanikirana molingana ndi chilinganizo china, amasungunuka mu platinamu crucible pa kutentha kwakukulu, ...Werengani zambiri -
Ndi guluu liti lomwe limagwiritsidwa ntchito pazinthu za TPU?Guluu womata wa TPU wa silicone
Tpu zakuthupi ndi chidule cha Thermoplastic Urethane.TPU ndi zinthu za polima zopangidwa ndi momwe diphenylmethane diisocyanate (MDI) kapena toluene diisocyanate (TDI) ndi ma molekyulu ena a diisocyanate okhala ndi ma macromolecular polyols ndi ma polyols otsika a molekyulu (unyolo wakale ...Werengani zambiri
