Epoxy Anti-Corrosion Powder Coating for Pipeline Internal Coating

Surface Finish Options Overview

Product Introduction:
This product is formulated using special epoxy resin and functional curing agents. It features high reactivity, strong adhesion, high cross-link density, and excellent resistance to chemicals, solvents, cathodic disbondment, as well as superior flexibility and impact resistance.

 

Product Usage:
Municipal, water supply, drainage, sewage, circulating water, chemical, and power plant pipelines.

 

Product Features:

Excellent adhesion to the substrate.Good leveling and high gloss on the coating surface.Strong resistance to permeation and corrosion.High surface hardness and dense coating.Superior high-temperature cathodic disbondment resistance.Good mechanical properties and extremely strong flexibility.Low melting temperature, high reactivity, and high curing completion rate.

 

Powder Performance:

Property	Specification	Notes
Adhesion	Excellent
Leveling	Good, high gloss
Corrosion Resistance	Superior
Surface Hardness	High
Cathodic Disbondment Resistance	Excellent at high temperatures
Flexibility	Extremely strong
Temperature Resistance	Good performance in high and low temperatures

 

Curing Conditions:

Property	Specification	Notes
Temperature	200-230°C for 3-1.5 minutes (medium-frequency heating)	Deviations may affect performance

 

Application Parameters:

Parameter	Specification	Notes
Applicable Equipment	Frictional charging spray, corona electrostatic spray, dip coating, roll coating
Film Thickness	150-450um	Adjustable according to workpiece requirements

 

Health and Safety:

Property	Specification	Notes
Toxicity	Non-toxic
Flammability	Non-flammable
Regulation	GB15607-1995	Coating operation safety regulations

 

Precautions:

Item	Specification	Notes
Outdoor Use	Not recommended	May cause fading and chalking
Surface Preparation	Oil-free, water-free, surface treatment to Sa21/2 level (GB/T8923), anchor pattern depth 40-100um, clean surface from dust and abrasives
Preheating	Temperature controlled between 180-230°C
Storage	Ventilated, dry, below 30°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, avoid long-term pressure, keep packaging sealed
Curing Temperature	Preheat steel pipe surface to above 200°C for better curing completion rate

 

Compliance Standards:
SY/T 0442-97 “Technical Standard for Internal Coating of Steel Pipelines with Fusion-Bonded Epoxy Powder”