In February 2026, liquid polysulfide rubber has attracted attention in various industries due to its unique properties. These flexible macromolecules with mercapto (-SH) end groups can form sealants through curing reactions or react with epoxy resins to enhance toughness. They possess advantages such as chemical resistance, weather resistance, and high sealing performance, being widely used in construction, aerospace, marine, industrial and other fields.
In the global market, Nouryon's Thioplast® series and Toray's "THIOKOL LP" dominate. As the world's largest producer, Nouryon's products are suitable for low-temperature toughness, oil-resistant sealing and other scenarios; Toray has launched multiple models covering epoxy modification, electrical encapsulation and other needs. Products like Toray QE-340M can also serve as equivalent substitutes, meeting segmented requirements such as low-temperature rapid curing and yellowing resistance, providing precise solutions for various industries.

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