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  2. List of insulation materials - Wikipedia

    en.wikipedia.org/wiki/List_of_insulation_materials

    Urea foam [6] 2.54: 1 0.92: 5.25: 36.4 Extruded expanded polystyrene (XPS) high-density 2.54: 1 0.88–0.95: 5–5.4: 26–40 [3] Polystyrene board [6] 2.54: 1 0.88: 5.00: 35 Phenolic rigid panel 2.54: 1 0.70–0.88: 4–5: 28–35 Urea-formaldehyde foam 2.54: 1 0.70–0.81: 4–4.6: 28–32 High-density fiberglass batts 2.54: 1 0.63–0.88: 3. ...

  3. High-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/High-density_polyethylene

    HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]

  4. List of polyurethane applications - Wikipedia

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

    Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...

  5. 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.

  6. Specific modulus - Wikipedia

    en.wikipedia.org/wiki/Specific_modulus

    Latex foam, low density, 40% compression [4] 1.8 × 10 ^ −6: 0.06: 3 × 10 ^ −5: 0.0005: 0.00833: Latex foam, high density, 10% compression [4] 1.3 × 10 ^ −5: 0.2: 6.5 × 10 ^ −5: 0.000325: 0.00162: Latex foam, high density, 40% compression [4] 3.8 × 10 ^ −5: 0.2: 0.00019: 0.00095: 0.00475: Silica aerogel, medium density [9] 0.00035 ...

  7. I Tested 5 Foam Rollers And Found The Holy Grail

    www.aol.com/6-best-foam-rollers-2024-153900034.html

    The Amazon Basics High-Density Round Foam Roller is the ultimate steal for just under $12. The lightweight foam is surprisingly firm, but squishy enough to soothe muscle tension gently.