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  2. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Rigid foam manufacturers sell foam that replace wood in carved sign and 3D-topography industries. PU foam is also used as a thermal insulator in many houses. Polyurethane resin is used as an aesthetic flooring material. Being seamless and water resistant, it is gaining interest for use in (modern) interiors, especially in Western Europe.

  3. Polyurethane foam - Wikipedia

    en.wikipedia.org/wiki/Polyurethane_foam

    An assortment of polyurethane foam products for cushioning and insulation. Polyurethane foam is a solid polymeric foam based on polyurethane chemistry. As a specialist synthetic material with highly diverse applications, polyurethane foams are primarily used for thermal insulation and as a cushioning material in mattresses, upholstered furniture or as seating in vehicles.

  4. Sandwich-structured composite - Wikipedia

    en.wikipedia.org/wiki/Sandwich-structured_composite

    The core material is normally of low strength, but its greater thickness provides the sandwich composite with high bending stiffness with overall low density. 2)Open- and closed-cell-structured foams like Polyethersulfone , polyvinylchloride , polyurethane , polyethylene or polystyrene foams, balsa wood , syntactic foams , and honeycombs are ...

  5. Medium density overlay panel - Wikipedia

    en.wikipedia.org/wiki/Medium_density_overlay_panel

    Medium density overlay panel, or MDO panel, is a paintable surface made of plywood with a weather-resistant resin overlay bonded to the wood by heat and pressure. The overlay, which has at least 27% resin content, [1] resists water, weather, wear and degradation. A similar product with a more rugged, smoother surface is called high density ...

  6. Syntactic foam - Wikipedia

    en.wikipedia.org/wiki/Syntactic_foam

    Syntactic foam, shown by scanning electron microscopy, consisting of glass microspheres within a matrix of epoxy resin.. Syntactic foams are composite materials synthesized by filling a metal, polymer, [1] cementitious or ceramic matrix with hollow spheres called microballoons [2] or cenospheres or non-hollow spheres (e.g. perlite) as aggregates.

  7. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    This is a new generation eco-friendly foam blowing agent that is free of Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), and Hydrofluorocarbons (HFCs) based on naturally occurring methyl methanoate. Open-cell (low density) polyurethane White or yellow. Expands to fill and seal cavity, but expands slowly, preventing damage to the wall.