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SiwoPUD®-350F

The NMP-Free Alternative with High Hardness and Gloss

Characteristics:

Aqueous, aliphatic polyurethane dispersion based on polyether and polyester.

Supplied as:

35% in water

Storage:

The dispersion should be stored in a frost-free place in tightly sealed containers. It contains no preservative.

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Application:

When it comes to tough, durable coatings, PUD-350F is the standout choice. This aliphatic polyurethane dispersion is designed to offer the same high performance as its predecessor, PUD-350, but with one significant advantage—it is free from NMP, making it a safer and more environmentally friendly option for your projects.

With a solid content of 35±1%, PUD-350F delivers excellent film formation and durability, ensuring that your coatings stand up to tough conditions. Its elongation of 150-250% may not stretch as far as other dispersions, but it compensates with its high hardness and gloss. These features make it ideal for applications where a sleek, glossy finish and strong surface resistance are required, such as in leather, rubber, and plastic coatings.

The tensile strength of 11.5 MPa provides a sturdy base for applications that need both flexibility and toughness, while the modulus of 7.4 MPa ensures that the film maintains its integrity even under stress. PUD-350F is known for its excellent water resistance, making it an ideal choice for products exposed to moisture or harsh environments. Additionally, the coating’s abrasion resistance ensures that the finish maintains its quality over time, making it a reliable choice for high-traffic applications.

In summary, PUD-350F is the go-to solution for industries requiring a high-gloss, high-hardness coating that provides excellent adhesion and abrasion resistance, all while being free from NMP for a safer, eco-conscious option. Whether you’re working with leather, rubber, or plastics, PUD-350F offers superior performance with the added benefit of environmental safety.