Sep 19, 2025 Læg en besked

3-lags polypropylen (3LPP) belagt linje rør

3LPE belagt stålrør‌ eller ‌Tre-lags polyethylenbelagt stålrør‌, er en type korrosionsbestandig rørledning, der er vidt brugt i industrier som olie, naturgas, kemiteknik og vandforsyning.

 

Anvendelse af belægning:

Overfladeforberedelse af rør ved sandblæsning rengøring (SSPC-SP10/NACE No.2/ISO 8501-1 SA 2 1/2/sis 05 59 00)

Efter røropvarmningsfusionsepoxypulver påføres

Ekstruderet klæbemiddel påføres over røret.

Til sidst påføres ekstruderet polypropylen (MDPP eller HDPP) lag over det klæbende lag.

Den samlede belægningstykkelse er generelt <3,0 mm for rørdia <24 "og 3,3 mm for rørdia 32" & ovenfor)

 

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

Kontakt os for3LPP Coating Steel Pipepipes@gneetube.com

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