气泡膜，是以高压聚乙烯为主要原料，再添加增白剂、开口剂等辅料，经230度左右高温挤出吸塑成气泡的产品。是一种质地轻、透明性好、无毒、无味的新型塑料包装材料，可对产品起防湿、缓冲、保温等作用。
Bubble film is a product made of high-pressure polyethylene as the main raw material, whitening agent, opener and other accessories, which is extruded and molded into bubbles at about 230 degrees. It is a light, transparent, non-toxic, tasteless new plastic packaging material, which can play a role in moisture prevention, cushioning, heat preservation and so on.