Polyurethane definition

Polyurethane means a polymer formed principally by the reaction of an isocyanate and a polyol.
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Polyurethane means a polymer formed principally by the reaction of an isocyanate and a polyol and which would include polyisocyanurate (‘polyiso’).
Sample 1Sample 2Sample 3
Polyurethane means a polymer formed principally by the reaction of an isocyanate and a polyol, including polyisocyanurate (polyiso).
Sample 1Sample 2Sample 3

Examples of Polyurethane in a sentence

  • Unit must be insulated with sound absorbing thermal insulation material, Polyurethane foam.

  • Spray Polyurethane Insulation: Apply according to manufacturer's written instructions.

  • Sheaves: Polyurethane tires with ball bearings properly sealed to retain grease.

  • Polyurethane Topcoat: Complying with MPI #72 and compatible with undercoat.

  • Joint Sealant, Polyurethane: ASTM C920, Type S, Grade NS, Class 50 single-component moisture curing sealant, formulated for compatibility and use in dynamic and static joints; paintable.

  • Base coat (Color) - PPG Delfleet® Evolution High Solids Polyurethane Base coat.

  • All facing materials, caulks, and sealing materials including but not limited to Putty, Acrylics, Butyl, Butyl Tapes, Rubber, Mastic, Epoxy, Hypalons, Neoprene, Nitriles, oil based caulks, oil based glazing compounds, Polybutene tapes, Polisobutylene tapes, Polyethylenes, Polytremedyne, Polyurethane; one and two parts, Polysulfides one and two parts, and all types of back up materials that may be required to make a complete seal.

  • Spray Polyurethane Foam Insulation: ASTM C 1029, Type II, closed cell, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84.

  • Approved PPF Joint systems are shown on the NDOR Approved Products List under Precompressed Polyurethane Foam Joint, Type A or B.

  • When the item is “Precompressed Polyurethane Foam Joint, Type ” the joint shall be a Precompressed Polyurethane Foam Joint of the type indicated in the plans.


More Definitions of Polyurethane

Polyurethane means a polymer formed principally by the reaction of an isocyanate and a polyol, including but not limited to polyisocyanurate (polyiso).
Sample 1
Polyurethane means a polymer formed principally by the reaction of an isocyanate and a polyol. “Polyurethane” includes polyisocyanurate (“polyiso”).
Sample 1

Related to Polyurethane

  • Cleaner means an employee engaged in cutting or trimming off loose ends of cotton or cloth left on garments or parts of garments by previous operators;

  • Grab sample means an individual sample collected in less than 15 minutes in conjunction with an instantaneous flow measurement.