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2. Ceramic glaze - Wikipedia

   en.wikipedia.org/wiki/Ceramic_glaze

   Ceramic glaze, or simply glaze, is a glassy coating on ceramics. It is used for decoration, to ensure the item is impermeable to liquids and to minimise the adherence of pollutants. [1] Glazing renders earthenware impermeable to water, sealing the inherent porosity of earthenware. It also gives a tougher surface.

3. Aluminium oxynitride - Wikipedia

   en.wikipedia.org/wiki/Aluminium_oxynitride

   Aluminium oxynitride (marketed under the name ALON by Surmet Corporation [3]) is a transparent ceramic composed of aluminium, oxygen and nitrogen.Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet, visible, and mid-wave-infrared regions of the electromagnetic spectrum.

4. Transparent ceramics - Wikipedia

   en.wikipedia.org/wiki/Transparent_ceramics

   It has all the workability of an amorphous glass, but upon recrystallization it demonstrates properties similar to a crystalline ceramic. Vycor is 96% fused silica glass, which is crystal clear, lightweight and high strength. One advantage of these type of materials is that they can be produced in large sheets and other curved shapes. [23] [24]

5. Varnish - Wikipedia

   en.wikipedia.org/wiki/Varnish

   All clear or translucent varnishes, and indeed all film-polymer coatings (e.g. paint, stain, epoxy, synthetic plastic, etc.) are susceptible to this damage in varying degrees. Pigments in paints and stains protect against UV damage. UV-absorbers are added to polyurethane and other varnishes (e.g. spar varnish) to work against UV damage but are ...

6. Lacquer - Wikipedia

   en.wikipedia.org/wiki/Lacquer

   The advantage of acrylic lacquer is its exceptionally fast drying time. The use of lacquers in automobile finishes was discontinued when tougher, more durable, weather- and chemical-resistant two-component polyurethane coatings were developed. The system usually consists of a primer, colour coat and clear topcoat, commonly known as clear coat ...

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