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Recubrimiento de polvo epoxi anticorrosión de polietileno de 3 capas (FPE)

MOQ 100KG, From China, B2B only WhatsApp
Brand STD
OEM OEM Services Provided
Advantage Professional, Fast Delivery, Customizable
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Surface Finish Options Overview

Introducción del producto:
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.

Uso del producto:
Suitable for anti-corrosion coatings on various oil and gas pipelines.

Características del producto:

Excelente adherencia al sustrato.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.
Parámetros de rendimiento del recubrimiento en polvo
Elemento de pruebaEspecificaciones Técnicasobservaciones
AparienciaColor uniforme, sin grumosInspección visual
ColorSegún los requisitos del clienteMedidor de diferencia de color
Densidad (g / cm³)1.4-1.6GB/T4472
Distribución de tamaño de partículaResiduos ≤3.0 a 150 µm, ≤0.2 a 250 µmGB/T6654
Contenido volátil (%)≤ 0.6GB/T6654
Tiempo de gelificación a 200°C (s)≥ 12GB / T 6654-1986
Tiempo de curado a 200 °C (min)≤ 3GB/T 23257-2009 Apéndice A

 

Parámetros de rendimiento del recubrimiento en polvo curado

Elemento de pruebaEspecificaciones Técnicasobservaciones
Adhesión (Grado)≤ 2GB/T 23257-2009 Appendix C
Negative Electrode at 48h5°C (mm)≤ 8GB/T 23257-2009 Appendix D
Negative Electrode at 30±5°C (mm)≤ 15GB/T 23257-2009 Appendix D
Bending Resistance at -20°C, 2.5°Sin grietasGB/T 23257-2009 Appendix E

Parámetros de aplicación
:
ParámetroEspecificacionesNotas
Equipo aplicablePulverizador de carga por fricción, pulverizador electrostático de corona
Espesor de la película120-150umAjustable según las necesidades de la pieza de trabajo

 

El Bienestar y la Seguridad:

PropiedadEspecificacionesNotas
ToxicidadNo es tóxicoSafe for handling and application
inflamabilidadNo es inflamableReduces risk in storage and use
RegulaciónGB15607-1995Follow safety protocols for coating operations

 

Precauciones:

AsuntoEspecificacionesNotas
Mixing PowdersDo not mix with other types
El uso al aire libreNo recomendadoMay cause fading and chalking
Preparación de la superficieOil-free, water-free, surface treatment to Sa21/2 level (GB/T8923), anchor pattern depth 40-100um, clean surface from dust and abrasives
AlmacenajeVentilated, dry, below 30°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, keep packaging sealed
Temperatura de curadoPreheat steel pipe surface to above 190°C for better curing completion rate

 

Normas de cumplimiento:
GB/T 23257-2009 “Polyethylene Anti-Corrosion Coating for Buried Steel Pipelines”

Almacenamiento y embalaje:

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.

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