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  2. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray polyurethane foam comes in a range of densities and cell structure. Low density foams are referred to as open cell SPF while higher density foams are referred to as closed cell foam. 1.8-2 pound polyurethane foam has the highest R-value of readily available spray foam insulation used in homes and buildings. [5]

  3. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    For example, a 1-inch layer of closed-cell foam provides about the same insulation factor as 2 inches of open-cell foam. Closed-cell foam is very strong, and structurally reinforces the insulated surface. By contrast, open-cell foam is soft when cured, with little structural strength.

  4. Foam rubber - Wikipedia

    en.wikipedia.org/wiki/Foam_rubber

    Foam rubber was first made in 1929, by E. A. Murphy [2] and Eric Owen, two research chemists at Dunlop Rubber, who used whipped latex. In 1937, isocyanate-based materials were first used to make foam rubber. After World War II, styrene-butadiene rubber replaced many natural types of foam. Foam rubber has been used commercially for a wide range ...

  5. Self-amalgamating tape - Wikipedia

    en.wikipedia.org/wiki/Self-amalgamating_tape

    Self-amalgamating tape is a non-tacky silicone rubber tape that when stretched and wrapped around cables, electrical joints, hoses, and pipes combines or unites itself into a strong, seamless, rubbery, waterproof, and electrically insulating layer. [1] [2] Unlike many

  6. Expanded polyethylene - Wikipedia

    en.wikipedia.org/wiki/Expanded_polyethylene

    Polyethylene bead foams (including) EPE can be used to replace both polystyrene foam, and both rigid and flexible polyurethane. Uses include cushioning applications, and impact absorption applications including packaging. [4] Consumption of polyethylene for PE foam was estimated at 114x10 6 kg in 2001. The majority was used for non-crosslinked ...

  7. Geofoam - Wikipedia

    en.wikipedia.org/wiki/Geofoam

    The blocks vary in size but are often 2 m × 0.75 m × 0.75 m (6.6 ft × 2.5 ft × 2.5 ft). The primary function of geofoam is to provide a lightweight void fill below a highway, bridge approach, embankment or parking lot. EPS Geofoam minimizes settlement on underground utilities.

  8. Thread seal tape - Wikipedia

    en.wikipedia.org/wiki/Thread_seal_tape

    PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]

  9. Flex Seal - Wikipedia

    en.wikipedia.org/wiki/Flex_Seal

    Flex Seal is an American brand of adhesive bonding products made by the family-owned company Swift Response in Weston, Florida. [1] Founded on February 28, 2011, [1] the company employs 100 people led by its pitchman and Chief Executive Officer Phil Swift. [1]

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