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Dabco® LK-443

Technical Datasheet | Supplied by Evonik
Dabco® LK-443 by Evonik is a unique organic surfactant for use in rigid polyurethane applications to provide a smooth surface. It can be used as a replacement or co-surfactant for silicone-based surfactants. Possesses excellent hydrolytic stability and cell stabilization. Reduces pinholes to a minimum level. Promotes excellent surface quality in rigid spray systems. Used in the production of rigid foams with fine cell structures, low K-factors, a low percentage of open cells, excellent dimensional stability and high strength properties. Can be used in a variety of rigid foam applications, but is highly recommended for use in spray foams, particularly roofing formulations. Dabco® LK-443 helps to minimize pinholes and the "orange peel" effect typically observed with silicone-based surfactants.
Product Type
Physical Form
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