PECOAT Kupaka Polyethylene Powder kwa Paipi ya Madzi Kumwa

PECOAT® Kupaka Powder Polyethylene za Mapaipi Amadzi Akumwa Ndi Zida Zopangira Madzi

Kufotokozera

Chophimba cha ufa cha polyethylene chopangidwa ndi madzi akumwa ndi chophimba cha ufa cha thermoplastic chopangidwa kuchokera ku polyethylene resin, compatibilizer, zowonjezera zogwira ntchito, utoto ndi zodzaza. Chayesedwa mokwanira ndikuyesedwa kuti chikhale chaukhondo komanso chitetezo, ndipo chingagwiritsidwe ntchito pophimba zida zoperekera madzi akumwa ndi mapaipi otentha. Chili ndi kukhazikika kwabwino kwa mankhwala, kutchinjiriza magetsi komanso kukana kutentha pang'ono, komanso kukana dzimbiri komanso kulimba. Chogulitsachi chikugwirizana ndi CJ/T 120-2016 "Miyezo Yomanga Mizinda Yamizinda" ya People's Republic of China.

Munda Wofunsira

❖ kuyanika oyenera yozungulira kutentha madzi akumwa zida ndi mapaipi.

Ufa Properties

• Zosasinthika: ≥99.5%
• Dry flowability: 20%
• Kukoka kwapadera: 0.91-0.95 (amasiyana ndi mtundu)
• Kugawa kwapang'onopang'ono: ≤300um
• Sungunulani index: 5-20g/10min (2.16kg, 190 ℃) [malingana ndi ❖ kuyanika workpiece ndi ndondomeko kasitomala]
• Kusungirako: m'nyumba pansi pa 35 ℃, mpweya wabwino ndi wouma, kutali ndi magwero amoto. Nthawi yosungirako ndi zaka ziwiri kuchokera tsiku lopangidwa. Pambuyo pa kutha, ikhoza kugwiritsidwa ntchito ngati idutsa kuyesanso. Zimalimbikitsidwanso kutsatira mfundo yoyamba yogwiritsira ntchito mankhwala.
• Kupaka: matumba ophatikizika amapepala, okhala ndi ukonde wolemera 20 kg pa thumba.

ntchito Malangizo

• Kuchiza: Musanaphike, chitoliro choyambira chiyenera kuchitidwa ndi njira monga sandblasting kapena pickling acid ndi phosphating kuchotsa dzimbiri, mafuta, ndi filimu ya oxide pamwamba pa chitsulo choyambira ndi malata.
• The workpiece preheating kutentha: 230-280 ℃ [kusinthidwa malinga ndi m'mimba mwake chitoliro].
• Njira yokutira: zokutira zoyamwa vacuum kapena zokutira zokutira.
• Post-kutentha: 180-220 ℃, 0-5 mphindi [kudziwitsani ndondomeko plasticization malinga ndi m'mimba mwake chitoliro ndi ℃ ℃ kusalala. Kutentha ndi plasticizing ndi kopindulitsa kupeza zokutira yosalala pamwamba pa zitsulo workpiece].
• Kuziziritsa: Kuziziritsa mpweya kapena kuzizira kwachilengedwe.

Chenjezo

1. Kukwaniritsa mulingo woyenera adhesion, Ndi bwino kuchita phosphating kapena chromizing mankhwala pa m'munsi zinthu pambuyo degreasing ndi dzimbiri kuchotsa.

2. Kutentha kwakukulu kumayambitsa kukalamba ndi kusinthika kwa ❖ kuyanika, pamene kutentha kochepa kwambiri kumapangitsa kuti ufa ukhale wosauka komanso wokutira wosiyana. Choncho, mulingo woyenera Kutentha kutentha ayenera anatsimikiza mwa zoyeserera zochokera zitsulo makulidwe ndi malo kasitomala ❖ kuyanika.

3. Mapangidwe a workpiece: mbali zakuthwa ziyenera kusalala, ndipo pasakhale mipata pazitsulo zowotcherera. Makulidwe achitsulo ndi mainchesi a waya pa chogwirira ntchito chomwecho chiyenera kukhala chofanana.

4. Izi mankhwala osavomerezeka ntchito pambuyo processing (kukonzanso TACHIMATA workpieces).

5. Mofanana ndi ufa wonse wa polima, makamaka m'malo othamanga, ufa umenewu ukhoza kuyaka kapena kuyaka pamene ukhudzana ndi gwero la kutentha kapena chipangizo choyatsira. 

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