PECOAT I-Polyethylene Powder Coating for Ukuphuza Ipayipi Lamanzi

PECOAT® I-Polyethylene Powder Coating Amapayipi Amanzi Okuphuza Kanye Nezisetshenziswa Zokuhlinzeka Ngamanzi

Incazelo

I-polyethylene powder coating enikezelwe emanzini okuphuza iyi- thermoplastic powder coating eyenziwe nge-polyethylene resin, i-compatibilizer, izithasiselo ezisebenzayo, ama-pigment kanye nama-filler. Ihlolwe ngokuphelele futhi yahlolwa ukuze ithole inhlanzeko nokuphepha, futhi ingasetshenziswa ekumbozeni imishini yokuphakelwa kwamanzi okuphuza kanye namapayipi okushisa okuzungezile. Inokusimama okuhle kwamakhemikhali, ukuvikela ugesi kanye nokumelana nokushisa okuphansi, kanye nokumelana nokugqwala okuhle kakhulu nokuqina. Umkhiqizo uhambisana ne-CJ/T 120-2016 “Urban Construction Industry Standard” yeRiphabhulikhi Yabantu baseShayina.

Isizinda Sohlelo lokusebenza

I-coating ifanele imishini yokuphakela amanzi okuphuza lokushisa elizungezile namapayipi.

Izakhiwo Zempushana

• Okuqukethwe okungaguquguquki: ≥99.5%
• Ukugeleza okomile: 20%
• Amandla adonsela phansi athile: 0.91-0.95 (iyahlukahluka ngombala)
• Ukusabalalisa usayizi we-particle: ≤300um
• Ncibilikisa inkomba: 5-20g/10min (2.16kg, 190℃) [kuye ngokuthi i-workpiece yokumboza kanye nenqubo yekhasimende]
• Isitoreji: ngaphakathi endlini ngaphansi kuka-35℃, kunomoya futhi komile, kude nemithombo yomlilo. Isikhathi sokugcina siyiminyaka emibili kusukela ngosuku lokukhiqiza. Ngemuva kokuphelelwa yisikhathi, isengasetshenziswa uma idlula ekuhlolweni kabusha. Kubuye kunconywe ukulandela isimiso sokuqala sokuqala sokusebenzisa umkhiqizo.
• Ukupakisha: ukupakishwa kwezikhwama zephepha eziyinhlanganisela, ezinesisindo senetha esingama-20 kg isikhwama ngasinye.

Iziqondiso zohlelo lokusebenza

• Ukwelashwa kwangaphambili: Ngaphambi kokumbozwa, ipayipi lesisekelo kufanele liphathwe ngezinqubo ezifana ne-sandblasting noma i-acid pickling kanye ne-phosphating ukuze kukhishwe ukugqwala, uwoyela, nefilimu ye-oxide ebusweni bensimbi eyisisekelo kanye nongqimba lwamagalani.
• I-Workpiece preheating lokushisa: 230-280 ℃ [ilungiswe ngokuya ngobubanzi bepayipi].
• Indlela yokuhlanganisa: i-vacuum suction coating noma i-rolling coating.
• Ngemuva kokushisa: 180-220 ℃, imizuzu engu-0-5 [nquma inqubo yokwenza ipulasitiki ngokusho kobubanzi bepayipi nokushelela kokunamathela. Ukushisa kanye nokwenza ipulasitiki kunenzuzo ukuthola ukunamathela okubushelelezi ebusweni bomsebenzi wensimbi].
• Ukupholisa: Ukupholisa ngomoya okupholile noma okungokwemvelo.

Qaphela

1. Ukuze kuzuzwe ukunamathela okulungile, kunconywa ukwenza ukwelashwa kwe-phosphating noma i-chromizing ku-base material ngemuva kokususwa kwe-degreasing kanye nokugqwala.

2. Ukushisa ngokweqile kuzodala ukuguga nokushintsha umbala kwe-coating, kuyilapho izinga lokushisa eliphansi kakhulu lizoholela ekumbozeni kwempushana okumpofu kanye nokugqoka okungalingani. Ngakho-ke, izinga lokushisa elilungile lokushisa kufanele linqunywe ngokuhlolwa okusekelwe kubukhulu bensimbi kanye nezinsiza zokumboza ikhasimende.

3. Idizayini ye-Workpiece: izingxenye ezicijile kufanele zenziwe bushelelezi, futhi akufanele kube nezikhala ezihlangene zokushisela. Ubukhulu bensimbi kanye nobubanzi bocingo ku-workpiece efanayo kufanele kufane.

4. Lo mkhiqizo awunconywa ukuthi usetshenziswe ngemuva kokucubungula (ukulungisa ama-workpieces ahlanganisiwe).

5. Njengazo zonke izimpushana ze-polymer, ikakhulukazi ezimeni ezigelezayo, le mpushana ingavutha noma ishe lapho ithinta umthombo wokushisa noma idivayisi yokushisa. 

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