Sep 19, 2025 Ostavite poruku

3-sloj polipropilen (3LPP) obložena linijska cijev

‌Čelična cijev obložena 3LPE‌, ili ‌Tri - slojevi polietilen obložena čelična cijev‌, je vrsta korozije - cjevovod koji se široko koristi u industrijama kao što su nafta, prirodni plin, kemijski inženjering i opskrba vodom.

 

Primjena premaza:

Površinski priprema cijevi čišćenjem pijeska (Sspc - sp10/nace br.2/iso 8501-1 sa 2 1/2/sis 05 59 00)

Nakon nanošenja Fusion Fusion Epoksi prašak mora se nanijeti

Ekstrudirano ljepilo mora se primjenjivati ​​preko cijevi.

Konačno, ekstrudirani polipropilen (MDPP ili HDPP) sloj se primjenjuje preko ljepljivog sloja.

Ukupna debljina premaza općenito je <3,0 mm za cijev dia <24 "i 3,3 mm za cijev dia 32" i više)

 

Image result for Three Layer Poly Ethylene/ Propylene (3LPE/ 3LPP) coating 3LPE/ 3LPP coating system is a multilayer coating composed of three functional components: a high performance fusion bonded epoxy (FBE), followed by a copolymer adhesive and an outer layer of Medium Density Polyethylene (MDPE) or High Density Polyethylene (HDPE), which provides protection against external corrosion. The codes and standards for 3LPE are ISO 21809-1, DIN 30670 or CAN/CSA Z245.21. Fusion Bonded Epoxy (FBE): First layer of FBE shall be 150 microns thick. Adhesive: Second layer of extruded co-polymer adhesive, 200 microns thick. Polyethylene (MDPE/HDPE): Third layer of extruded polyethylene (MDPE/HDPE) or polypropylene (MDPP/HDPP), 1.6 – 2.95 mm thick. Application of Coating: Surface preparation of pipe by blast cleaning, subsequent to pipe heating fusion epoxy powder shall be applied and after that extruded adhesive shall be applied over the pipe. Finally extruded polyethylene (MDPE or HDPE) layer shall be applied over the adhesive layer. Total coating thickness is generally < 3.0 mm for pipe dia < 24

Kontaktirajte nas zaČelična cijev od 3 lpp: pipes@gneetube.com

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