紧急：物流英语翻译

Question

原文：Polystyrene (PS) is harder and more brittle than polyethylene or polypropylene, and has a superior optical clarity and good chemical resistance o food acids and alkalis. Ti is mounded into Products like boxes and yoghurt post. When expanded (foamed, with a blowing agent on the heat -softened PS ) it is used for cushioning to protect goods. Polystyrene can give off poisonous gas when burnt

Answer 1

聚苯乙烯（PS)比聚乙烯和聚丙烯更烈更易碎，清澈透明并且抗化学物质，抗食物酸性和碱金属。钛常被用作盒子和酸乳酪揭盖。当遇到膨胀（当聚苯乙烯遇上强烈物质，会发热变软，起泡沫）。它常被用作缓冲层保护货物。聚苯乙烯燃烧会产生有毒气体。