Chigaŵa chimoza cha mafakitale-chigaŵa cha polyurethane

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Chigaŵa chimoza cha mafakitale-chigaŵa cha polyurethane
Dongosolo
Mafakitale yimoza-chigaŵa cha polyurethane sealant ni chinthu chapachanya -chinthu chakusindikizga chomene icho chikupangika mwakupambanapambana kuti chigwiriskike ntchito pa malo ghakuzirwa gha mafakitale.
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1 Chigaŵa cha Polyurethane
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Tikuchita makora chomene pakupeleka -vyapachanya OEM na ODMvyakumazga vya ŵanyithu,

kukhozgeka na kudumura-tekinoloje ya mphepete na luso lwa kupanga vinthu vyakukwana.

 

Iwo ŵakupangika na isocyanate prepolymer nga ni chinthu chakwamba, pamoza na vyakukhozga, vyakupangiska pulasitiki na vinyake vyakusazgapo, kulongora phala-nga ni chipinda-mtundu wakuchizga kutentha. Kupambana na vinthu vya civil-grade, fomula yake yikukhozga katundu wa mafakitale-grade nga ni kukana ku dzimbiri la pakatikati, kukhwaskika na makina, na kusintha kwa nyengo yakuzizima chomene. Iwo ukukhumbikwira kusakanizga pa-pa malo yayi ndipo ungachira kuŵa elastomer mwa kukhwaska chinyezi mu mlengalenga. Iwo ŵakugwiriskirika ncito comene mu minda iyo yili na vikhumbo vyakukhozga vyakukhozga vyakugomezgeka, nga nkhupanga makina, kupanga mapaipi, na vipangizo vyakuzirwa. Usange ŵakugwiliskira ntchito mu malo gha 25℃, nyengo yakuwumira pa charu chapasi yikuŵa pafupifupi mphindi 20-60. Lili na mitundu yakupambanapambana ya mapulogalamu gha mafakitale. Pakupanga magalimoto, ŵakugwiliskira ntchito pakukhozga galasi la galimoto, kuŵika chidindo pa thupi, kuŵika chidindo pa makoma gha katani pa ntchito zakuzenga, kuvikilira maji mu mapaipi ghakuphatikizgika pasi pa charu chapasi, na kuŵika chidindo pa mbale za chisulo cha chikepe mu mafakitale ghakuzenga ngalaŵa. Wagwiriskikiya nchitu ukongwa chifukwa chakuti wamatira ndipuso wakulimbana ndi dzimbiri.

 

Pakuyowoya za mafakitale ghakupangika na polyurethane, tikumanya kufuma pa zina lake kuti ŵakugwiliskira ntchito chomene mu mafakitale. Nanga ni para ŵakuvigwiliskira ntchito mu mafakitale, kasi ni mikhaliro wuli iyo yikukhumbikwa para ŵakuvigwiliskira ntchito?

 

Kukolerana kwa makemikolo

Iwo ungazizipizga nyengo yitali-kubika mu vyakupharazgira vya mafakitale nga ni mafuta gha injini, mafuta gha hayidiroliki, ethylene glycol, na asidi-alkali mayankho (pH 3-11), na msinkhu wa kusintha kwa voliyumu Kuchepera panji kwakuyana na 5% (kuyezgeka pamanyuma pa maora 168 ghakubika). Nchakwenelera kusindikizga matanki gha mafuta gha vipangizo vya makina na viŵaro vya dongosolo la hayidiroliki.

01

Kukanizga vyakusungunula

Iwo ukutupa yayi panji kung’ambika para mu nyengo yichoko waka-kukhwaskana na vyakusungunura vyakupangika na vyakumera nga ni toluene na ethanol, kukwaniska ivyo vikukhumbikwa pa kusindikizga kwa flanges mu mapaipi gha kemiko.

02

Kuzenga Kwakunozga

Na chigaŵa chimoza -chigaŵa, chingafumiskika kwizira mu mfuti ya glue ya pneumatic, kusintha ku kugwiriskira ncito kwa glue kwakujiyimira paŵekha mu mizere ya msonkhano wa mafakitale (liwiro la glue: 50 - 100g / min). Iwo ungakwaniska kukhozga nkhongono zapachanya- (nkhongono ya kukolerana Kuluska panji kuyana na 2MPa) pa vinthu nga ni vitsulo, ceramics, na pulasitiki wakukhozgeka na fiberglass (FRP) kwambura kukhumbikwa kwa vipangizo vyakwamba.

03

Kulekelera chilengiwa

Kutentha kwa mafakitale chimoza-chigaŵa cha polyurethane sealant ni -40 digiri -120 digiri , ndipo kutentha kwa nyengo yitali kwakugwira ntchito ni -40 digiri -90 digiri , na umoyo utali wa ntchito;

04

 

Para tikuyowoya za mafakitale ghakupangika na polyurethane, ŵanandi awo ŵakugwiliskira ntchito kanandi ŵakughanaghana vya vigaŵa vinandi. Chifukwa wuli tikuŵapanga yayi nga ni vigaŵa vinandi-? Kasi ni vichi ivyo vikupambana pakati pa vinthu viŵiri ivi?

Nthowa yakuchizgira

Chimoza -chigaŵa cha sealants chomenechomene chikuchizgika na chinyezi mu mlengalenga; viŵiri-vigaŵa vyakujalira vikuchizgika kwizira mu vyakuchitika vya kemiko pamanyuma pa kusakanizga vigaŵa vya A na B.

Kugwiriskira Ntchito Kwakusuzga yayi

Mafakitale ghakupangika na polyurethane ghakupangika na chigaŵa chimoza ghakukhumbikwira kusakanizgika yayi ndipo ghakwenelera chomene ku vigaŵa vichokovichoko panji vyakusuzga; viŵiri-vigaŵa vyakujalira, ku mbali yinyake, vikukhumbikwira maluso ghanandi ndipo vikuyana chomene na mapulogalamu ghakuru-.

Kusintha kwa chilengedwe

Chimoza -chigaŵa cha sealant chili na msinkhu wakulimbana na kutentha kwa -40℃kufika pa 100℃, apo viŵiri-sealant vikuŵa vyakwenelera chomene ku malo ghakuzizima chomene kuluska -10℃.

Usange mukukhumba kugwiliskira nchito mafakitale ghakupangika na polyurethane sealants mu malo ghakuzizima chomene, pali vinthu vichoko waka ivyo mukwenera kukumbukira: Chakwamba, kutentha kwa pa charu chapasi kukwenera kuŵa Kukuru panji kwakuyana na 5℃. Usange ici nchambura kucitika, ŵikanipo dankha sealant. Chachiŵiri, pa malo agha pakwenera kutozgeka kuti paŵe mafuta, fuvu, na fuvu. Sealant yingapangikaso dankha mwa kuyitenthemeska kufika pa 10 degrees kwa maora 24. Finyani chigaŵa chakuchizgika pambere mundaseŵezeske.

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Tag yakutentha: Mafakitale ghamoza -chigaŵa cha polyurethane sealant, China mafakitale ghamoza -chigaŵa cha polyurethane sealant ŵakupanga, ŵakupeleka, fakitare

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