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  2. Fiberglass spray lay-up process - Wikipedia

    en.wikipedia.org/wiki/Fiberglass_spray_lay-up...

    The resin and glass may be applied separately or simultaneously "chopped" in a combined stream from a chopper gun. Workers roll out the spray-up to compact the laminate. Wood, foam, or other core material may then be added, and a secondary spray-up layer embeds the core between the laminates. The part is then cured, cooled, and removed from the ...

  3. Garage door - Wikipedia

    en.wikipedia.org/wiki/Garage_door

    Concerning thermal insulation, the roller door has a typical insulation R-value of 4.9 to 5.2. A sheet steel garage door has a typical insulation R-value of 0.5 to 2.7. An application that needs more thermal insulation typically uses a foam-filled sectional garage door, which provides typical insulation R-values of 6.1 to 6.4.

  4. 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 ...

  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. Fiberglass - Wikipedia

    en.wikipedia.org/wiki/Fiberglass

    The fiberglass spray lay-up process is similar to the hand lay-up process but differs in the application of the fiber and resin to the mold. Spray-up is an open-molding composites fabrication process where resin and reinforcements are sprayed onto a mold.

  7. Thermal spraying - Wikipedia

    en.wikipedia.org/wiki/Thermal_spraying

    Wire arc spray is a form of thermal spraying where two consumable metal wires are fed independently into the spray gun. These wires are then charged and an arc is generated between them. The heat from this arc melts the incoming wire, which is then entrained in an air jet from the gun.

  8. Ohio kids can sit for lessons from the Satanic Temple during ...

    www.aol.com/news/ohio-kids-sit-lessons-satanic...

    The new off-campus lessons provide an alternative to Bible study that's offered through the religious release program and was prompted by the wishes of local parents, leaders of the Satanic Temple ...

  9. 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.

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