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  2. PPG Industries - Wikipedia

    en.wikipedia.org/wiki/PPG_Industries

    PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials. With headquarters in Pittsburgh, ...

  3. Primer (paint) - Wikipedia

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

    Primer reduces the number of paint coats needed for good coverage and even color. A thin layer of paint may still be permeable to water. Water can permeate into the wood and cause warping, mildew, or dry rot. Primer improves the waterproofing of the finish. [4] Primers are not used as part of a wood stain treatment because they obscure the wood ...

  4. Xylan (coating) - Wikipedia

    en.wikipedia.org/wiki/Xylan_(coating)

    Xylan coatings can be one-, two- (primer and top-coat), and three- (primer, mid-coat, top-coat) coat conventional and reinforced (filled) coating systems. The fluoropolymers utilized in Xylan coatings consist of PTFE, PFA, and FEP. The properties listed below may not apply to all Xylan coatings as the fluoropolymer and resin content and type ...

  5. Stain-blocking primer - Wikipedia

    en.wikipedia.org/wiki/Stain-blocking_primer

    The below calculated ACIs were done on solvent-based primer containing 350 g/L of solvents and the water-based primer containing 50 g/L of butyl glycol. The values on this chart indicate that the use of mineral spirits based primers would need 6 to 7 air changes per hour requiring significant ventilation. The use of low-odor, isoparaffinic ...

  6. Polypropylene glycol - Wikipedia

    en.wikipedia.org/wiki/Polypropylene_glycol

    [11] [12] Another use of PPG is as a surfactant, wetting agent and dispersant in leather finishing. [13] PPG is also employed as a reference and calibrant in mass spectrometry and HPLC. [14] [15] PPG and derivatives may be used as defoamers in drilling and other applications. [16] [17] It is also used as a primary ingredient in the making of ...

  7. Tubes and primers for ammunition - Wikipedia

    en.wikipedia.org/wiki/Tubes_and_primers_for...

    With quick firing guns (those using metallic cartridge cases) the case itself is fitted with the igniting medium; in England these are called primers. For small guns the case contains a percussion primer, usually a copper cap filled with a chlorate mixture and resting against an anvil. [2] The striker of the gun strikes the cap and fires the ...

  8. Photolabile protecting group - Wikipedia

    en.wikipedia.org/wiki/Photolabile_protecting_group

    A photolabile protecting group (PPG; also known as: photoremovable, photosensitive, or photocleavable protecting group) is a chemical modification to a molecule that can be removed with light. PPGs enable high degrees of chemoselectivity as they allow researchers to control spatial, temporal and concentration variables with light.

  9. Automotive paint - Wikipedia

    en.wikipedia.org/wiki/Automotive_paint

    The base coat is applied after the primer coat. This coat contains the visual properties of color and effects, and is usually the one referred to as the paint. Base coat used in automotive applications is commonly divided into three categories: solid, metallic, and pearlescent pigments. Solid paints have no sparkle effects except the color ...

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