Epoxy Anti-Corrosion Powder Coating for Reinforcing Steel
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whats/app：+86 132 6275 2056
WEB: std-coatings.com
Introduction
Product Introduction:
This product is a thermosetting epoxy-modified heavy-duty anti-corrosion powder coating specifically designed for reinforcing steel. The formulation uses partially imported functional epoxy resins and dedicated anti-corrosion curing agents. It features excellent reactivity, strong adhesion, good flexibility, and bendability, as well as superior resistance to chemicals, solvents, cathodic disbondment, and impact.
Product Usage:
Widely used for corrosion protection of reinforcing steel in bridges, ports, airports, buildings, basements, high-speed railways, and other infrastructure projects.
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.
Good flexibility, 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 Performance:
| Property | Specification | Notes |
|---|---|---|
| Adhesion | Excellent | |
| Coating Density | Dense, continuous, bright | |
| Cathodic Disbondment Resistance | Superior | |
| Electrical Insulation | High | |
| Bond Strength with Concrete | High | |
| Flexibility | Good, does not crack when bent | |
| Temperature Resistance | Low melting temperature, high reactivity | |
| Mechanical Properties | Good |
Curing Conditions:
| Property | Specification | Notes |
|---|---|---|
| Temperature | 210-250°C for 3-1.5 minutes | Deviations may affect performance |
Application Parameters:
| Parameter | Specification | Notes |
|---|---|---|
| Applicable Equipment | Frictional charging spray, corona electrostatic spray, dip coating | |
| Film Thickness | 120-250um | 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 | Clean oxide scale, reveal metal color, surface roughness 50-70um, rust removal grade Sa21/2. no chloride residues | |
| Preheating | Temperature controlled between 220-245°C | |
| Storage | Ventilated, dry, below 27°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, avoid long-term pressure, keep packaging sealed | |
| Storage Period | Best within 3 months at 27°C, validate performance if used beyond this period |
Compliance Standards:
JC3042-1997 “Epoxy Coated Reinforcing Steel”;
GB/T25826-2010 “Epoxy Coated Reinforcing Steel for Concrete Structures”
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