PolyurethanesIsocyanatesToluene 2,4-DiisocyanateMaterials TestingCastor OilSiliconesCyanatesBiocompatible MaterialsElastomersImplants, ExperimentalPolyvinyl ChloridePolyestersEquipment FailureSurface PropertiesSilicone ElastomersAdhesivesChemical IndustryAir Pollutants, OccupationalPolycarboxylate CementTissue ScaffoldsGastrostomyCoated Materials, BiocompatibleScleral DiseasesLatexCatheters, IndwellingElectroplatingOcclusive DressingsForeign-Body ReactionPorosityBone SubstitutesZygomaTensile StrengthPolymersBandages