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Poly(methyl methacrylate) (PMMA) is a synthetic polymer derived from methyl methacrylate. It is a transparent thermoplastic, used as an engineering plastic. 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 .
Traditionally, PMMA (acrylic) comprises the core (96% of the cross section in a fiber 1mm in diameter), and fluorinated polymers are the cladding material. Since the late 1990s much higher performance graded-index (GI-POF) fiber based on amorphous fluoropolymer (poly(perfluoro-butenylvinyl ether), CYTOP [1]) has begun to appear in the marketplace.
para-Methoxymethamphetamine (PMMA), also known as 4-methoxy-N-methylamphetamine (4-MMA), is a serotonergic drug of the amphetamine family related to para-methoxyamphetamine (PMA). It is the 4- methoxy analogue of methamphetamine .
Poly(methyl acrylate) (PMA) is a family of organic polymers with the formula (CH 2 CHCO 2 CH 3) n.It is a synthetic acrylate polymer derived from methyl acrylate monomer. The polymers are colorless.
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
Mortgage rates are holding steady as of Tuesday, February 11, 2025, pushing the 30-year fixed benchmark under 7.00% ahead of fresh consumer and wholesale inflation data this week.
Image source: Getty Images. 1. The stock looks like a bargain. Dollar General is currently being priced as a no-growth company in secular decline.
Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. PMMA may refer to: para-Methoxymethamphetamine, a ...