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One method for measuring contaminants which has been extensively discussed is the use of fiber-optic guided systems for in situ spectroscopy and chemical sensing,

Recently, a cooperative effort with many participants

Names PMMA has been sold under a variety of brand names and generic names. It is often generically called acrylic glass,[6] although it is chemically unrelated to glass. It is sometimes called simply acrylic, although acrylic can also refer to other polymers or copolymers containing polyacrylonitrile. Other notable trade names include: Plexiglas

Acrylic paint essentially consists of PMMA suspended in water; however since PMMA is hydrophobic, a substance with both hydrophobic and hydrophilic groups needs to be added to facilitate the suspension.

Plastic optical fiber used for short distance communication is made from PMMA, and perfluorinated PMMA, clad with fluorinated PMMA, in situations where its flexibility and cheaper installation costs outweigh its poor heat tolerance and higher attenuation over glass fiber.