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Epoxy Anti-Corrosion Powder Coating for Firefighting Steel Pipes

Product Introduction:This product is formulated using linear phenolic epoxy resin, polyurethane

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Content

Product Introduction:

This product is formulated using linear phenolic epoxy resin, polyurethane-modified epoxy resin, and advanced curing agents, designed and manufactured based on a new formulation concept. It features high reactivity, strong adhesion, high cross-link density, and excellent resistance to chemicals, solvents, cathodic disbondment, as well as superior flexibility, impact resistance, and high-temperature resistance.

Product Features:

Excellent adhesion to the substrate.

Strong anti-corrosion capability.

Good leveling, high gloss, and dense coating.

Superior high-temperature cathodic disbondment resistance.

Extremely strong flexibility, capable of passing the 4/5 flattening and post-grooving tests.

Good performance in withstanding high and low temperatures.

Strong resistance to boiling water.

Powder Coating Performance Parameters:

ItemQuality IndicatorTest Method
AppearanceUniform color, no lumpsVisual inspection
Density (g/cm³)1.3-1.7GB/T 4472
Volatile Content (%)≤ 0.6GB/T 6554
Curing Time (s)180°C ≤ 5 minutesSY/T 0315-2005

230°C ≤ 3 minutes

Cured Powder Coating Performance Parameters:

Test ItemTechnical IndicatorTest Method
AppearanceUniform color, no bubbles, cracks, or pinholesVisual inspection
Adhesion (Grade)1-3CJ/T 120-2008
PinholesNo electrical spark generationGB/T 5135.20-2010
Impact ResistanceNo peeling, no crackingGB/T 5135.20-2010
High-Temperature Resistance (300°C/1h)Coating shows no detachment, bulging, cracking, peeling, or damageGB/T 5135.20-2010
Low-Temperature ResistanceCoating shows no detachment or damage, adhesion grade 1-3GB/T 5135.20-2010
Pressure CyclingCoating shows no detachment or damage, adhesion grade 1-3GB/T 5135.20-2010
Temperature CyclingCoating shows no detachment or damage, adhesion grade 1-3GB/T 5135.20-2010
Boiling Water AgingCoating shows no detachment or damageGB/T 5135.20-2010
Vacuum ResistanceCoating shows no detachmentGB/T 5135.20-2010
FlexibilityCoating shows no detachment or crackingGB/T 5135.20-2010
Flattening TestCoating shows no peeling or crackingGB/T 5135.20-2010

Compliance Standards:

GB/T 5135.20-2010; CJ/T 120-2008

Application Fields:

Anti-corrosion coating for internal and external surfaces of water supply pipes used in firefighting.

Application Processes:

Spraying, dip coating, etc.

Precautions:

The steel pipe surface should be free of oil and moisture; the surface treatment quality should reach Sa2 1/2 level (GB/T 8923); the anchor pattern depth should be 50-90 mm; dust and abrasives on the steel pipe surface should be blown clean. Preheating temperature should be controlled between 180-240°C.

The product should be stored in a well-ventilated, dry indoor environment with a temperature below 30°C, away from heat sources, corrosive chemicals, and chemical solvents, and protected from strong light exposure. The stacking height should not exceed four layers. Avoid long-term pressure and ensure the packaging box is sealed to prevent caking and moisture, which can affect fluidization performance.

To ensure thorough curing of the epoxy coating and better anti-corrosion performance, it is recommended to preheat the steel pipe surface to above 200°C to improve the curing completion rate.

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Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.


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