SiwoPUD®-EC-200

When it comes to elevating the performance of water-based coatings and adhesives, SiwoPUD-EC-200 stands out as a high-efficiency hydrophilic crosslinker designed for results. Engineered from an aliphatic polyisocyanate base, this crosslinker is 100% active, with no non-volatile carriers—delivering full functionality with zero filler. The result is a product that offers fast drying, a high-gloss finish, and excellent crosslinking density, making it ideal for demanding waterborne applications where performance and appearance go hand in hand.

What truly sets SiwoPUD-EC-200 apart is its sulfonate-modified structure, providing hydrophilic character that enhances dispersion in water-based formulations. With a viscosity ranging from 2000–5000 mPa·s and a density of 1.09 (d₄₂₀), this crosslinker maintains stability while blending seamlessly into complex formulations. Its NCO content (16.0±1%) ensures a strong chemical backbone for efficient crosslinking, while keeping monomeric diisocyanate content ≤0.2%—well within regulatory safety limits.

The transparent appearance of SiwoPUD-EC-200 makes it particularly useful for coatings where clarity and gloss are key. Whether you’re formulating for wood finishes, industrial topcoats, or high-performance adhesives, this crosslinker delivers the balance of strength and aesthetic appeal.

For formulators seeking customization flexibility, it can be diluted with propylene glycol methyl ether acetate (PMA)—a common solvent in advanced waterborne systems. With 100% non-volatile constituents, you get maximum performance without compromising environmental goals.

To ensure product longevity and performance, SiwoPUD-EC-200 should be stored in tightly sealed containers, protected from frost and direct sunlight.

In short, SiwoPUD-EC-200 isn’t just a component—it’s a catalyst for performance. If you need fast-curing, high-gloss results from your water-based formulations, this crosslinker delivers every time.