单词	Mylar
释义	Mylar /ˈmʌɪlɑː / noun [mass noun] trademark A form of polyester resin used to make heat-resistant plastic films and sheets. It is made by copolymerizing ethylene glycol and terephthalic acid.If they are sleeved in plastic, be sure it is not PVC plastic (look for Mylar or polypropylene).... A balloon constructed of a tough polyester film called Mylar will deliver her to the edge of space. It has an optical quality far better than other materials, such as Mylar or polypropylene, that are typically used in laboratories. Origin 1950s: an arbitrary formation.
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