| 释义 |
plastic foam plastic foam[′plas·tik ′fōm] (materials) expanded plastic foamed plastic, plastic foam1. A plastic expanded chemically, mechanically, or thermally, to form a lightweight closed-cell structure; used as thermal insulation. Also see chemically foamed plastic.2. A resin in a sponge form, either flexible or rigid, with cells that are either closed or interconnected. |