PECOAT Ihe mkpuchi ntụ ntụ nke polyethylene maka pipeline mmiri ọṅụṅụ

PECOAT® Polyethylene ntụ ntụ mkpuchi maka pipeline mmiri ọ drinkụ andụ na akụrụngwa na-eweta mmiri

Description

Mmiri ọṅụṅụ raara onwe ya nye polyethylene ntụ ntụ mkpuchi bụ a thermoplastic ntụ ntụ mkpuchi kwadebere site na polyethylene resin, compatibilizer, arụ ọrụ mgbakwunye, pigments na fillers. A nwalere ya n'ụzọ zuru ezu ma nyochaa maka ịdị ọcha na nchekwa, enwere ike iji ya mee ihe maka mkpuchi nke ihe ọkụkụ na-enye mmiri ọṅụṅụ okpomọkụ na pipeline. Ọ nwere ezigbo nkwụsi ike nke kemịkalụ, mkpuchi ọkụ eletrik na nguzogide dị ala, yana ezigbo nguzogide corrosion na ịdịte aka. Ngwaahịa a kwekọrọ na CJ/T 120-2016 "Urban Construction Industry Standard" nke ndị mmadụ Republic of China.

Ubi Ngwa

Ihe mkpuchi kwesịrị ekwesị maka akụrụngwa ihe ọṅụṅụ na-ekpo ọkụ okpomọkụ na pipeline.

Njirimara ntụ ntụ

• Ọdịnaya na-adịghị agbanwe agbanwe: ≥99.5%
• Ike iru ala: 20%
• Nnukwu ike ndọda: 0.91-0.95 (dị iche na agba)
• Nkesa oke urughuru: ≤300um
• Agbaze index: 5-20g / 10min (2.16kg, 190 ℃) [dabere na mkpuchi workpiece na ahịa usoro]
• Nchekwa: n'ime ụlọ n'okpuru 35 ℃, ventilated na nkụ, pụọ na isi mmalite ọkụ. Oge nchekwa bụ afọ abụọ site na ụbọchị mmepụta. Ka emechara ya, enwere ike iji ya ma ọ bụrụ na ọ gafere ule ọzọ. A na-atụ aro ka ịgbaso ụkpụrụ mbụ-na-mbụ maka iji ngwaahịa.
• Nkwakọ ngwaahịa: Ngwunye akpa akwụkwọ mejupụtara, yana nha nha 20 n'arọ kwa akpa.

ngwa Ntuziaka

• Tupu ọgwụgwọ: Tupu mkpuchi, a ghaghị ịgwọ ọkpọkọ isi na usoro dị ka sandblasting ma ọ bụ acid pickling na phosphating iji wepụ nchara, mmanụ, na ihe nkiri oxide n'elu ala nke metal ala na akwa galvanized.
• Workpiece preheating okpomọkụ: 230-280 ℃ [gbanwere dị ka ọkpọkọ dayameta].
• Usoro mkpuchi: mkpuchi mmiri mmiri ma ọ bụ mkpuchi mpịakọta.
• Post-okpomọkụ: 180-220 ℃, 0-5 nkeji [kpebisie ike na plasticization usoro dị ka ọkpọkọ dayameta na mkpuchi ire ụtọ. Kpo oku na plasticizing bara uru iji nweta ihe mkpuchi dị mma n'elu ihe eji arụ ọrụ ígwè].
• Ntu oyi: ikuku jụrụ oyi ma ọ bụ nke eke.

ịkpachara anya

1. Iji nweta ezigbo adhesion, a na-atụ aro ka ị na-eme ọgwụgwọ phosphating ma ọ bụ chromizing na ihe isi ala mgbe ekpochapụ na nchara nchara.

2. Igwe ọkụ ga-eme ka ịka nká na ngbanwe nke mkpuchi ahụ, ebe oke okpomọkụ ga-eme ka mkpuchi ntụ ntụ na-adịghị mma na mkpuchi na-enweghị isi. Ya mere, a ga-ekpebi okpomọkụ kachasị mma site na nyocha ndị dabeere na ígwè ígwè na mkpuchi ndị ahịa.

3. Workpiece imewe: nkọ akụkụ kwesịrị smoothed, na e kwesịghị inwe oghere na ịgbado ọkụ nkwonkwo. The metal ọkpụrụkpụ na waya dayameta na otu workpiece kwesịrị yiri.

4. A naghị atụ aro ngwaahịa a maka iji ya mee ihe na nhazi nhazi (imezigharị ihe mkpuchi mkpuchi).

5. Dị ka ntụ ntụ polymer niile, karịsịa na ọnọdụ na-asọ asọ, ntụ ntụ a nwere ike ịgbanye ma ọ bụ gbaa ọkụ mgbe ọ na-ejikọta ya na isi iyi ọkụ ma ọ bụ ngwaọrụ ọkụ. 

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