Polyurethane (PU) sealants are flexible, durable, and high-strength materials widely used in industries like construction, automotive, and HVAC. This article covers what PU sealants are, the types available, and how they compare to silicone, acrylic, and epoxy sealants. Learn how to choose the right sealant for your project based on flexibility, adhesion, durability, and environmental resistance.
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