| 单词 | aramid (aromatic polyamide) |
| 释义 | aramid (aromatic polyamide) Invented by Dupont, which markets it under the name KEVLAR™, aramid is a poly para-phenyleneterephthalamide, and is more properly known as a para-aramid. Belonging to the family of nylons, aramids are chemically and thermally stable, strong, lightweight, and resistant to impact and abrasion damage. Aramids also are dielectrics, or non-conductors of electric current. Uses for aramid include protective equipment (e.g., body armor such as bulletproof vests and helmets), fire-blocking fabrics, tire reinforcements, high-performance composites for aircraft, and strength members for telecommunications cables. See also KEVLAR™ and strength member. |
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