JSW ColourDur DTM PU Enamel: The Direct-to-Metal Polyurethane Shield
JSW ColourDur DTM PU Enamel is a high-performance, single-component, air-drying polyurethane enamel designed for application directly onto metal substrates. The DTM (Direct-to-Metal) feature means it combines the function of a corrosion-inhibiting primer and a durable, aesthetic topcoat in one product, drastically reducing application time and labour costs.
Perfect for industrial, commercial, and residential metal surfaces, JSW ColourDur DTM PU Enamel provides the superior toughness and abrasion resistance of polyurethane chemistry. It forms a thick, weather-resistant film that offers excellent protection against rust, moisture, and chemical exposure, ensuring long-lasting colour and gloss retention on metal structures and equipment.
Why Choose JSW ColourDur DTM PU Enamel?
The DTM advantage of JSW ColourDur DTM PU Enamel streamlines the painting process with unmatched efficiency:
- 2-in-1 System (Primerless Application): Eliminates the need for a separate metal primer, saving time and money without compromising corrosion protection.
- Polyurethane Durability: Offers better resistance to chipping, fading, and general wear compared to standard alkyd (oil-based) enamels.
- Excellent Corrosion Resistance: The formulation includes rust-inhibiting pigments that protect the metal substrate from oxidation, especially in mildly corrosive environments.
- High Gloss Retention: Maintains its vibrant colour and gloss level even after prolonged exposure to sunlight and harsh weather.
Key Features of JSW ColourDur DTM PU Enamel
- DTM Technology: Apply directly to suitably prepared mild steel, galvanized iron, and aluminum.
- Versatile Use: Suitable for both interior and sheltered exterior metal applications.
- Fast Drying: Speeds up project completion, allowing metal parts to be handled sooner.
- Tough, Durable Film: Highly resistant to mild splashes of chemicals, water, and scratching.
Recommended Application Areas
This direct-to-metal PU enamel is ideal for:
- Industrial Equipment: Machinery, pumps, pipes, and storage tanks.
- Commercial Structures: Metal railings, staircases, overhead gantries, and warehouse shelving.
- Residential Metalwork: Iron gates, window grills, shutters, and decorative metal furniture.
Technical Specifications: JSW ColourDur DTM PU Enamel
| Feature | Details |
|---|---|
| Brand | JSW Paints |
| Product | JSW ColourDur DTM PU Enamel |
| Type | Single-Pack Polyurethane (Solvent-Based) |
| Finish | Gloss |
| Thinner | General Purpose Thinner (MTO) |
| Dilution | 10-15% (Brush), 15-20% (Spray) |
| Drying Time | Touch Dry: 2-3 Hours | Hard Dry: 16-18 Hours |
| Coverage | Approx. 120 – 140 sq. ft/litre/coat (Varies by surface) |
How to Apply JSW ColourDur DTM PU Enamel (Step-by-Step)
- Surface Preparation: The metal surface must be clean, dry, and free of oil, grease, and loose rust. Sand with coarse sandpaper to remove rust and old, peeling paint.
- Mixing: Dilute JSW ColourDur DTM PU Enamel with General Purpose Thinner (MTO) as per the recommended ratio. Stir thoroughly.
- Application: Apply the first coat using a brush, roller, or spray gun. Ensure proper ventilation. Apply thin, even coats to avoid runs.
- Recoat: Allow to dry hard for 16-18 hours. Sand lightly with 400-grit paper if necessary to smooth the surface.
- Finishing: Apply the second coat for maximum protection and gloss depth. Master the preparation steps for a long-lasting DTM finish.
Frequently Asked Questions (FAQ)
Q: Does this replace the need for an anti-corrosive primer?
A: For mild interior/sheltered exterior environments, yes. For highly corrosive or immersed environments, a dedicated industrial primer should be used first.
Q: Can I use this on wood?
A: It is formulated primarily for metal adhesion. For wood, we recommend specialized JSW or Asian Paints wood finishes.
Q: Why is DTM important?
A: DTM (Direct-to-Metal) technology saves the user the labour and material cost of applying a separate primer layer, speeding up project delivery significantly.








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