RAL 9004 Signal Black Smooth Powder Coating
EP4S-830085 · Special Function
- GLOSS
- High Gloss ≥80GU
- CURING
- 200°C × 10 min (workpiece temperature); low-temperature-curing products down to 140°C can be adjusted
- KEY FEATURE
- Outstanding corrosion resistance
- LEAD TIME
- 1-7 days
Product Overview
Description
EP4S is a modified pure epoxy heavy-duty anticorrosive powder coating based on epoxy and modified epoxy resins with suitable curing systems. It is designed for primer or single-coat protection in highly corrosive environments. The product supports 140°C low-temperature curing, fluidized-bed dip coating and repeated high-build coating, and can meet ISO 12944 C4–C5 corrosion-protection categories when used alone or with a polyester topcoat.
Key Features
- Outstanding corrosion resistance;
- repeatable multilayer application with good intercoat adhesion;
- good edge coverage; C4–C5 corrosion-protection categories when used with a topcoat;
- good powder deposition and coverage.
Best Suited For
- Offshore photovoltaic support structures;
- Corrosion protection of steel structures;
- Transformers;
- Anticorrosive primers for outdoor construction machinery, energy-storage cabinets and similar equipment;
- Internal and external surfaces of metal pipelines; metal structural components.
- Packaging
- 20kg or 25kg / box, in cardboard box lined with a polyethylene plastic bag
- Storage
- Store sealed below 25°C ,keep cool, dry, and away from sunlight.
- Shelf Life
- 6–12 months when stored under the specified conditions in unopened packaging, subject to the specific product.
- MOQ
- 100kg
Appearance & Properties
| Parameter | Value |
|---|---|
| Chemistry | Epoxy |
| Color Values | LAB: 27.43, 0.25, -0.53 RGB: 65, 65, 66 |
| Gloss at 60° | Smooth low gloss: 5–10 GU; smooth medium gloss: 40–80 GU; smooth high gloss: 80–95 GU |
| Specific Gravity | 1.5–2.3 g/cm³, depending on colour and product design requirements |
Application & Processing
| Parameter | Value |
|---|---|
| Curing Conditions | 200°C × 10 min (workpiece temperature); low-temperature-curing products down to 140°C can be adjusted |
| Application Guidelines | Suitable for manual or automatic electrostatic spray application. Other application methods, such as tribostatic spraying or electrostatic fluidized-bed coating, must be specified in advance. |
Performance Test Results
| Test | Result | Standard |
|---|---|---|
| Initial Adhesion | Pass, GT0 | ISO 2409:2020 |
| Impact Resistance | 50 kg·cm, no coating detachment under direct impact (except low-gloss products) | GB/T 1732 |
| Hardness | ≥H | ISO 15184:2020 |
| Single-coat epoxy NSS (1000 h) | C2–C4 corrosion-protection categories | ISO 9227 |
Supply & Documents
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