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2. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...

3. List of refractive indices - Wikipedia

   en.wikipedia.org/wiki/List_of_refractive_indices

   Refraction at interface. Many materials have a well-characterized refractive index, but these indices often depend strongly upon the frequency of light, causing optical dispersion.

4. Acrylate - Wikipedia

   en.wikipedia.org/wiki/Acrylate

   In the same way that several variants of acrylic esters are known, so too are the corresponding polymers. Their properties strongly depends on the substituent. A large family of acrylate-like polymers are derived from methyl methacrylate and many related esters, especially polymethyl methacrylate .

5. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   The characteristics of polycarbonate compare to those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger and will hold up longer to extreme temperature. Thermally processed material is usually totally amorphous, [ 7 ] and as a result is highly transparent to visible light , with better light transmission than many kinds ...

6. Is It a Cowlick or Balding? How to Tell the Difference - AOL

   www.aol.com/cowlick-balding-tell-difference...

   Cowlick vs. Balding: Key Differences. A cowlick differs from a bald spot in a couple key ways.. First, a cowlick is a natural, normal feature of your scalp that occurs as a result of your genes.

7. Acrylate polymer - Wikipedia

   en.wikipedia.org/wiki/Acrylate_polymer

   Acrylic elastomer is a general term for a type of synthetic rubber whose primary component is acrylic acid alkyl ester (ethyl or butyl ester). [3] Acrylic elastomer possesses characteristics of heat and oil resistance, with the ability to withstand temperatures of 170–180 °C. It is used primarily for producing oil seals and packaging related ...