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

Surface Finish Options Overview

Présentation du produit:
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.

Utilisation du produit:
Suitable for anti-corrosion coatings on various oil and gas pipelines.

Caractéristiques du produit:

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

Article d'essai	Spécifications techniques	Remarques
Apparence	Uniform color, no lumps	Inspection visuelle
Couleur	Selon les exigences du client	Différence de couleur
Densité (g / cm³)	1.4-1.6	GB / T 4472
Distribution Taille des particules	Residuals ≤3.0 at 150um, ≤0.2 at 250um	GB / T 6654
Contenu volatile (%)	≤ 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 Annexe A

 

Cured Powder Coating Performance Parameters

Article d'essai	Spécifications techniques	Remarques
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°	Pas de fissures	GB/T 23257-2009 Appendix E

Paramètres d'application:

Paramètre	Spécifications	Remarques
Équipement applicable	Frictional charging spray, corona electrostatic spray
Epaisseur du film	120-150um	Adjustable according to workpiece requirements

 

Santé et sécurité:

Propriété	Spécifications	Remarques
Phytotoxicité	Non toxique	Safe for handling and application
Inflammabilité	Ininflammable	Reduces risk in storage and use
Règlement	GB15607-1995	Follow safety protocols for coating operations

 

Précautions ::

Produit	Spécifications	Remarques
Mixing Powders	Do not mix with other types
utilisation extérieure	Non recommandé	May cause fading and chalking
Préparation de surface	Oil-free, water-free, surface treatment to Sa21/2 level (GB/T8923), anchor pattern depth 40-100um, clean surface from dust and abrasives
Rangements	Ventilated, dry, below 30°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, keep packaging sealed
Température de durcissement	Preheat steel pipe surface to above 190°C for better curing completion rate

 

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

Stockage et emballage:

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.