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  2. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Polycarbonate sheeting in a greenhouse. The second largest consumer of polycarbonates is the construction industry, e.g. for domelights, flat or curved glazing, roofing sheets and sound walls. Polycarbonates are used to create materials used in buildings that must be durable but light.

  3. Twinwall plastic - Wikipedia

    en.wikipedia.org/wiki/Twinwall_plastic

    Although single layer polycarbonate sheeting is more flexible than polycarbonate in twinwall configuration, it still retains significant advantages over alternative materials, including glass. A typical 6mm sheet has a density of 0.72 g/cm^2 [6] and a thermal insulation R value of 0.3 m^2°C/W, while allowing 80% of visible light pass through. [7]

  4. Malaysian passport - Wikipedia

    en.wikipedia.org/wiki/Malaysian_passport

    Bahasa Indonesia; Lombard; ... The information is laser engraved into the polycarbonate sheet for added security, including a hologram mini-photo of the passport ...

  5. Category:Polycarbonates - Wikipedia

    en.wikipedia.org/wiki/Category:Polycarbonates

    This page was last edited on 21 November 2024, at 13:30 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Plastic film - Wikipedia

    en.wikipedia.org/wiki/Plastic_film

    Plastic film is a thin continuous polymeric material. Thicker plastic material is often called a "sheet". These thin plastic membranes are used to separate areas or volumes, to hold items, to act as barriers, or as printable surfaces. Plastic films are used in a wide variety of applications.

  7. Plasticulture - Wikipedia

    en.wikipedia.org/wiki/Plasticulture

    These photosensitive films are more costly than either the clear or black polyethylene sheeting. [3] Black plastic mulch controls evaporation from the soil and improves soil water retention. Plastic mulching proved to reduce irrigation requirements in pepper by 14-29% because of elimination of soil evaporation. [7]

  8. SIG (company) - Wikipedia

    en.wikipedia.org/wiki/SIG_(Company)

    PT Semen Indonesia (Persero) Tbk (known as SIG) is a state-owned holding company providing building material solutions. The company has 17 subsidiaries located in Indonesia and Vietnam . With a market reach to Asia , Australia and Oceania , the company's main business is in the cement sector and its derivative products such as concrete , mortar ...

  9. Thermoforming - Wikipedia

    en.wikipedia.org/wiki/Thermoforming

    A sheet of hot plastic will be placed on top and the bed sealed, pulling the plastic down over the mold. In the most common method of high-volume, continuous thermoforming of thin-gauge products, plastic sheet is fed from a roll or from an extruder into a set of indexing chains that incorporate pins, or spikes, that pierce the sheet and ...