Atlas of Foreign Materials
Polyurethane
Polyurethanes are used in the manufacture of flexible, high-resilience materials that include synthetic fibers, adhesives, and sealants.
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Polyurethane foam 20x
Polyurethane foam 20x
Polyurethane foam 20x
Polyurethane foam 20x
Images courtesy of Texas A&M University Baylor College of Dentistry