K-FLEX XM-337

K-FLEX XM-337 is an aliphatic saturated polyester diol modifier resin designed to provide increased toughness and chemical resistance for solvent based and high solids systems. It is recommended for use in 1 and 2 component polyurethanes, and blocked isocyanate systems. Benefits include low color, UV durability, high hardness, high impact resistance, abrasion resistance and overall increased toughness

Viscosity @ 25°C55,000 cPs
Hydroxyl Number220
Equivalent Weight, g/eq. (as supplied)260
Application AdvantageChemical resistance, Flexibility, Hardness, Optical clarity, QUV resistance
Formulation Advantage100% active
Market ApplicationAdhesives, Aerospace, Ophthalmic lenses, Optically clear urethane elastomers, Thermoplastic urethanes, Urethane ballistic systems
Product GroupPolyester diol

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