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  2. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Open-cell foam is porous, allowing water vapor and liquid water to penetrate the insulation. Closed-cell foam is non-porous, and not moisture-penetrable, thereby effectively forming a semi-permeable vapor barrier. (N.B., vapor barriers are usually required by the Building Codes, regardless of the type of insulation used.

  3. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

  4. 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 ...

  5. How to make your own expanding foam mirror - AOL

    www.aol.com/own-expanding-foam-mirror-125733485.html

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  6. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    The effectiveness of bulk insulation is commonly evaluated by its R-value, of which there are two – metric (SI) (with unit K⋅W −1 ⋅m 2) and US customary (with unit °F⋅ft 2 ⋅h/BTU), the former being 0.176 times the latter numerically, or the reciprocal quantity the thermal conductivity or U-value W⋅K −1 ⋅m −2.

  7. Direct injection expanded foam molding - Wikipedia

    en.wikipedia.org/wiki/Direct_injection_expanded...

    Direct injection expanded foam molding (also known as injection molded foam) is a manufacturing process that creates soft foam products direct from a compound into a final product. [1] This process eliminates the steps normally required for die-cutting and compression molding , because it manufactures the foam and the product, simultaneously.

  8. Metal foam - Wikipedia

    en.wikipedia.org/wiki/Metal_foam

    Open-cell metal foam CFD (numerical) simulation of fluid flow and heat transfer on an open cell metal foam. Open-celled metal foam, also called metal sponge, [3] can be used in heat exchangers (compact electronics cooling, cryogen tanks, PCM heat exchangers), energy absorption, flow diffusion, CO 2 scrubbers, flame arrestors, and lightweight optics. [4]

  9. 32-year-old woman bludgeons mother to death inside her own ...

    www.aol.com/32-old-woman-bludgeons-mother...

    A 32-year-old woman has been arrested after allegedly bludgeoning her mother to death inside her own home, officials said. Burlington County Prosecutor LaChia L. Bradshaw and Willingboro Township ...

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