Acrylic plastic may be any plastic derived from acrylic compounds such as acrylic acid or methacrylic acid. They generally have similar properties and are commonly used in Plexiglas, lacquer and adhesives.
Acrylic plastic is extremely transparent and transmits 92 percent of white light. This is equal to the transparency of the finest optical glass.
Acrylic sheets (Plexiglas) have six to 17 times the impact resistance of ordinary glass, depending on the specific preparation. Plexiglas also breaks into relatively dull pieces compared to glass.
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Acrylic plastic is highly resistant to variations in temperature and humidity, making it useful in outdoor applications.
Acrylic plastic is highly resistant to inorganic acids and bases but can be dissolved by organic substances, especially petroleum products.
Acrylic plastic is combustible and will self-ignite at approximately 860 degrees Fahrenheit. It will burn with an open flame at about 560 degrees Fahrenheit.