3-Layer Polyethylene (FPE) Anti-Corrosion Epoxy Powder Coating

Surface Finish Options Overview

Představení produktu:
This product is formulated using epoxy resin and phenolic epoxy resin, designed and manufactured according to GB/T 23257-2009. It features high reactivity, strong adhesion, high cross-link density, and excellent resistance to chemicals, cathodic disbondment, and impact.

Použití produktu:
Suitable for anti-corrosion coatings on various oil and gas pipelines.

Vlastnosti produktu:

Excellent adhesion to the substrate.Appropriate gel time and interfacial properties, easily fusing with the intermediate adhesive layer to form a cohesive unit.Provides protection over a wide temperature range, ensuring long-term corrosion resistance.Superior high-temperature cathodic disbondment resistance.High coverage area and transfer efficiency.Low melting temperature, high reactivity, and high curing completion rate, with good mechanical properties.

Powder Coating Performance Parameters

Test Položka	Technické specifikace	Poznámky
Vzhled	Uniform color, no lumps	Vizuální kontrola
Barva	Podle požadavků zákazníka	Měřič rozdílu barev
Hustota (g / cm³)	1.4-1.6	GB / T 4472
Distribuce velikosti částic	Residuals ≤3.0 at 150um, ≤0.2 at 250um	GB / T 6654
Těkavý obsah (%)	≤0.6	GB / T 6654
Gellation Time at 200°C (s)	≥12	GB / T 6654-1986
Curing Time at 200°C (min)	≤3	GB/T 23257-2009 Appendix A

 

Cured Powder Coating Performance Parameters

Test Položka	Technické specifikace	Poznámky
Adhesion (Grade)	≤2	GB/T 23257-2009 Appendix C
Negative Electrode at 48h5°C (mm)	≤8	GB/T 23257-2009 Appendix D
Negative Electrode at 30±5°C (mm)	≤15	GB/T 23257-2009 Appendix D
Bending Resistance at -20°C, 2.5°	Žádné trhliny	GB/T 23257-2009 Appendix E

Parametry aplikace:

Parametr	Specifikace	Poznámky
Použitelné vybavení	Frictional charging spray, corona electrostatic spray
Tloušťka filmu	120-150um	Adjustable according to workpiece requirements

 

Zdraví a bezpečnost:

Vlastnictví	Specifikace	Poznámky
Toxicita	Netoxické	Safe for handling and application
Hořlavost	Nehořlavé	Reduces risk in storage and use
Nařízení	GB15607-1995	Follow safety protocols for coating operations

 

Opatření:

Položka	Specifikace	Poznámky
Mixing Powders	Do not mix with other types
Venkovní použití	Nedoporučeno	May cause fading and chalking
Příprava povrchu	Oil-free, water-free, surface treatment to Sa21/2 level (GB/T8923), anchor pattern depth 40-100um, clean surface from dust and abrasives
Skladování	Ventilated, dry, below 30°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, keep packaging sealed
Vytvrzovací teplota	Preheat steel pipe surface to above 190°C for better curing completion rate

 

Standardy shody:
GB/T 23257-2009 “Polyethylene Anti-Corrosion Coating for Buried Steel Pipelines”

Skladování a balení:

Store in a dry environment below 30°C.Re-seal the packaging immediately after use to prevent moisture absorption.Packaged in 20kg paper boxes with an inner plastic liner.

This comprehensive approach ensures that the product’s quality and performance are maintained, while also providing clear guidelines for safe handling and application.