Epoxy Anti Corrosion Powder Coating For Reinforcing Steel - China

Product Introduction:

This is a thermosetting epoxy-modified heavy-duty anti-corrosion powder coating specifically designed for epoxy-coated reinforcing steel.

The product uses imported two-step special epoxy resins, functional epoxy resins, and dedicated anti-corrosion curing agents.

It features excellent reactivity, strong adhesion, good toughness and flexibility, and superior resistance to chemicals, solvents, cathodic disbondment, and impact.

The formulation has been tested and proven effective by authoritative departments.

Product Features:

Excellent adhesion to the substrate.

Dense, continuous, bright coating with low permeability and minimal pinholes.

Superior cathodic disbondment resistance and high electrical insulation.

High bond strength with concrete and strong grip.

Good toughness, does not crack when bent.

Low melting temperature, high reactivity, high curing completion rate, and good mechanical properties.

Versatile and low powder consumption.

Reduces or eliminates stringing during the powder coating process.

Powder Coating Performance Parameters：

Item Quality Indicator Test Method

Appearance Uniform color, no lumps Visual inspection

Color As per customer requirements —————

Density (g/cm³) 1.2-1.5 GB/T 4472

Average Particle Size 30µm-50µm Laser particle size analyzer

Volatile Content (%) ≤ 0.6 GB/T 6554

Magnetic Substance Content (%) ≤ 0.002 GB/T 2482-86

Curing Time (s) 230°C ≤ 60s GB/T 6554

Cured Powder Coating Performance Parameters：

No.

Test Item Technical Indicator Test Method

1 Appearance Smooth, continuous, no bubbles, cracks, or pinholes Visual inspection

2 Cathodic Disbondment ≤ 2mm GB/T 25826-2010 Continuity No holes, gaps, cracks, or visible defects GB/T 25826-2010

3 Flexibility (40mm) No visible cracks, breaks, or coating detachment GB/T 25826-2010

4 Bond Strength Coating bond strength not less than 85% of uncoated steel GB 50152

5 Impact Strength No coating fragmentation GB/T 25826-2010

6 Chloride Permeability < 1×10⁻⁴ M GB/T 25826-2010

7 Chemical Resistance No softening, bubbling, good adhesion, no pinholes, no pitting GB/T 25826-2010

8 Abrasion Resistance ≤ 100 mg GB/T 1768-1979

9 Salt Spray Test (800h) ≤ 3mm GB/T 25826-2010

Compliance Standards:

JG 3042-1997; GB/T 25826-2010 Application Fields:

Bridges, ports, airports, buildings, basements, high-speed railways, and other infrastructure projects.

Application Process:

Electrostatic spraying.

Precautions:

The reinforcing steel surface should be free of oxide scale, revealing the metal’s original color; the surface roughness should meet the standard, ideally 50-70 mm; the rust removal grade should reach Sa2 1/2 level (GB/T 8923), with no chloride residues.

Preheating temperature should be controlled between 220-245°C.

The product should be stored in a well-ventilated, dry indoor environment with a temperature below 27°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.

Due to the high reactivity of this product, the recommended storage period is within 3 months at 27°C.

If used beyond the storage period, the performance should be verified in advance.

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Company Contact:

• Posted By: Standard International Group (HK) Limited

• Phone: +86-21-64208466-808

• Address: Floor 2, #47 Building, 280 Jiugan Road, Songjiang district, Shanghai, China, Shanghai , Shanghai , China

• Email:

• Website: https://moutainchem.com/

• Business Description: Standard International Group (HK) Limited was founded in 2003 - Over years, Standard Group has established long-term strategic cooperative relations with many well-known industrial chemical manufacturers, such as Sherwin-Williams, LANXESS, Evonik, Covestro, Elementis and so on, thus ensuring that customers can receive consistent high-quality services.
  
  Years of professional accumulation make us not only provide high-quality industrial coating additives, but also medicine Pharmaceutical Intermediates and electronic chemistry.
  
  From the painting plant laboratory first sample testing, middle-testing and final-testing, we adhere to the professional, sincere, enthusiastic and efficient service concept, our technical team always adjust the sample during different testing process until it performs perfect chemical reaction at customer’s paints.