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

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

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

Power Supply
220V/50Hz

Application
Pipeline, Oil & Gas, Water transmission, Industrial structures

Humidity
85% RH (during application)

Accuracy
High coating uniformity

Port Size
As per requirement

Temperature
-30C to 110C (service temperature)

Equipment Type
Anti-Corrosion Epoxy Powder Coating

Automation Grade
Semi-automatic/Automatic

Features
Excellent corrosion resistance, Strong adhesion, UV resistance, High flexibility

Mounting Type
Powder coating process

Hardness
High surface hardness (> 2H)

Specimen Size
Custom as per pipe specification

Usage
Surface protection for pipelines and metal structures

Capacity
High anticorrosion performance

Test Width
Customizable per application

Control Mode
Automatic/Manual

Surface Preparation
Sa 2.5 blast cleaned steel

Shelf Life
12 months in original unopened packaging

Cure Time
7-10 minutes at 210-230C

Salt Spray Resistance
>1500 hours

Chemical Resistance
Excellent to acid/alkali/salt

Flexibility Test
Passes mandrel bend test

Peel Strength at 23C
>30 N/cm

Water Absorption
<0.1% (24 hr at 23C)

Density
1.5-1.8 g/cm3

Coating Type
3-Layer Polyethylene (3LPE) with Fusion Bonded Epoxy (FBE) base

Finish
Sandy Effect (matte textured)

Certification Standard
DIN 30670 / EN 10288 / ISO 21809-1

Color
Black (customizable)

Coating Thickness
300-3000 m (as per requirement)

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

Product Usage:
Suitable for anti-corrosion coatings on various oil and gas pipelines.

Product Features:

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 Item	Technical Specification	Remarks
Appearance	Uniform color, no lumps	Visual inspection
Color	As per customer requirements	Color difference meter
Density (g/cm)	1.41.6	GB/T 4472
Particle Size Distribution	Residuals 3.0 at 150um, 0.2 at 250um	GB/T 6654
Volatile Content (%)	0.6	GB/T 6654
Gellation Time at 200C (s)	12	GB/T 6654-1986
Curing Time at 200C (min)	3	GB/T 23257-2009 Appendix A

Exceptional Corrosion Protection

The 3LPE epoxy powder coating system combines a Fusion Bonded Epoxy base and multi-layer polyethylene to provide robust protection against corrosion, chemicals, and UV exposure. Its high peel strength and minimal water absorption guarantee pipe and structure integrity, even in the most demanding environments.

Versatile Application Methods

This coating is adaptable for use on a variety of surfaces, including pipelines, industrial structures, and transmission infrastructure. Both semi-automatic and automatic control modes ensure consistent application, catering to high-volume projects and specific project requirements. The surface is prepared by Sa 2.5 blast cleaning for optimum adhesion.

Reliable Performance and Customization

With customizable thickness, width, color, and port size, the 3LPE system is tailored to meet project-specific needs. It boasts high coating uniformity, superior surface hardness, and passes stringent flexibility and salt spray tests, making it suitable for harsh operational conditions and extending the structure's lifespan.

FAQ's of 3-Layer Polyethylene (FPE) Anti-Corrosion Epoxy Powder Coating:

Q: How is the 3-Layer Polyethylene (3LPE) Anti-Corrosion Epoxy Powder Coating applied?

A: The 3LPE coating is applied through a multi-step process, beginning with Sa 2.5 blast cleaning of steel surfaces, followed by automated or semi-automatic powder coating using a Fusion Bonded Epoxy base and polyethylene layers. It is cured at 210-230C for 7-10 minutes to achieve optimal adhesion and protection.

Q: What are the main benefits of using 3LPE epoxy powder coating for pipelines?

A: This system provides excellent corrosion resistance, high mechanical strength, flexibility, and UV stability. Its strong adhesion and low water absorption protect pipelines and structures from environmental and chemical damage, extending their service life and reducing maintenance costs.

Q: When should 3LPE epoxy powder coating be considered for industrial projects?

A: 3LPE epoxy powder coating is recommended when superior anti-corrosion performance is required, especially in oil, gas, water transmission, or industrial infrastructure exposed to aggressive environments, chemicals, or variable temperatures ranging from -30C to 110C.

Q: Where can this coating be utilized?

A: It is suitable for underground and above-ground pipelines, industrial metal structures, water transmission lines, and oil and gas infrastructure, providing high durability against environmental stressors and mechanical wear.

Q: What is the process for ensuring coating thickness matches project requirements?

A: The coating thickness can be tailored from 300 to 3000 m based on the project's needs. Automatic or manual controls and precise test width customization ensure the application meets specified technical standards and certifications such as DIN 30670, EN 10288, and ISO 21809-1.

Q: How long does it take to cure and how long can the product be stored?

A: After application, the coating cures in 7-10 minutes at a temperature between 210C and 230C. The powder coating should be stored in its original, unopened packaging for up to 12 months to maintain optimal performance.

Q: What features contribute to the long-term performance of this coating system?

A: Key features include excellent resistance to corrosion, strong adhesion, high surface hardness (>2H), UV resistance, and flexibility. The system passes salt spray resistance (>1500 hours) and mandrel bend tests, ensuring durability under harsh environmental and operational conditions.

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