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”
