EPP (Expanded Poly-Propylene) 學名是發泡性聚丙烯,簡稱拿普龍EPS ( Expandable Polystyrene ) 學名是發泡性聚苯乙烯,簡稱保麗龍Information comes from "http://www.singhome.tw/big5/asp/Products_03.php"&"http://www.singhome.tw/big5/asp/Products_02.php".