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  2. Paint adhesion testing - Wikipedia

    en.wikipedia.org/wiki/Paint_adhesion_testing

    In the paint and coating industries, paint adhesion testing is often used to determine if the paint or coating will adhere properly to the substrates to which they are applied. Several tests measure the resistance of paints and coatings from substrates: cross-cut test, scrape adhesion, pull-off test , and others.

  3. Sag resistance test - Wikipedia

    en.wikipedia.org/wiki/Sag_resistance_test

    The applicator bar is 5 inches (127 mm) wide and leaves 3 3/8 inches (86 mm) of applied coating behind after use. After the bar is drawn down the card with the coating, a series of parallel stripes with varying film thickness will be formed. The card is then placed on a vertical surface with the thickest of the stripes at the bottom.

  4. 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 ...

  5. 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 ...

  6. Gesso - Wikipedia

    en.wikipedia.org/wiki/Gesso

    A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...

  7. Hiding power - Wikipedia

    en.wikipedia.org/wiki/Hiding_power

    Two red pigments are used to coat two vertical panels, both black at the bottom and white at the top. The paint layer on the right panel has higher hiding, making the black and white grounds almost indistinguishable. The hiding power is an ability of a paint to hide the surface that the paint was applied to. [1]

  8. These Smoothing and Blurring Primers Are Expert ... - AOL

    www.aol.com/lifestyle/hydrating-primers-mature...

    The best primers for mature skin help your makeup apply evenly and stay put, smooth out wrinkles, and more. Shop top-rated and expert-recommended picks here. These Smoothing and Blurring Primers ...

  9. Salt spray test - Wikipedia

    en.wikipedia.org/wiki/Salt_spray_test

    The salt spray test (or salt fog test) is a standardized and popular corrosion test method, used to check corrosion resistance of materials and surface coatings.Usually, the materials to be tested are metallic (although stone, ceramics, and polymers may also be tested) and finished with a surface coating which is intended to provide a degree of corrosion protection to the underlying metal.

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