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  2. Roof coating - Wikipedia

    en.wikipedia.org/wiki/Roof_coating

    Many roof coatings are elastomeric, that is, they have elastic properties that allow them to stretch and return to their original shape without damage. Typical roof coating dry film thickness vary from paint film thickness (plus or minus 0.075 mm (3 dry mils) to more than 1 mm (40 dry mils). This means a roof coating actually becomes the top ...

  3. Chromate conversion coating - Wikipedia

    en.wikipedia.org/wiki/Chromate_conversion_coating

    The chromate coating acts as paint does, protecting the zinc from white corrosion, thus making the part considerably more durable, depending on the chromate layer's thickness. [ 8 ] [ 9 ] [ 10 ] The protective effect of chromate coatings on zinc is indicated by color, progressing from clear/blue to yellow, gold, olive drab and black.

  4. Metal roof - Wikipedia

    en.wikipedia.org/wiki/Metal_roof

    A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.

  5. Metallic paint - Wikipedia

    en.wikipedia.org/wiki/Metallic_paint

    Metallic paint, which may also be called metal flake (or incorrectly named polychromatic), is a type of paint that is most common on new automobiles, but is also used for other purposes. Metallic paint can reveal the contours of bodywork more than non-metallic, or "solid" paint.

  6. Electrostatic coating - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_coating

    Electrostatic coating is a manufacturing process that employs charged particles to more efficiently paint a workpiece. Paint, in the form of either powdered particles or atomized liquid, is initially projected towards a conductive workpiece using normal spraying methods, and is then accelerated toward the work piece by a powerful electrostatic charge.

  7. Selective calling - Wikipedia

    en.wikipedia.org/wiki/Selective_calling

    Some decoders may require much longer-duration digits. DTMF digits consist of paired tones: a row tone and a column tone. The levels of row and column tones must be similar in order for a decoder to interpret them reliably. Radios with DTMF decoders may monitor all system traffic or remain muted until called, depending on the system design.

  8. Primer (paint) - Wikipedia

    en.wikipedia.org/wiki/Primer_(paint)

    Once water seeps through to the bare metal, oxidation will begin (plain steel will simply rust). [5] Metal primers might contain additional materials to protect against corrosion, such as sacrificial zinc. Primers are used on metal hydroxides/oxides to improve the surface condition and to encourage bonding. Without a primer, paint applied to ...

  9. Vitreous enamel - Wikipedia

    en.wikipedia.org/wiki/Vitreous_enamel

    Gothic châsse; 1185–1200; champlevé enamel over copper gilded; height: 17.7 cm (7.0 in), width: 17.4 cm (6.9 in), depth: 10.1 cm (4.0 in). Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between 750 and 850 °C (1,380 and 1,560 °F).

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