收缩薄膜是一种加热拉伸,然后在冷风中凝固的塑料“材料”。收缩薄膜的长处现已被使用者所熟知:透明度高,价格低廉,轻便,防灰,极易鉴别,占据库存位置小,防盗,便於另售,也便於成批推销,使用的柔软性,尤其是生产达到全部机械化。由於它具有繁多的优点,所以自从收缩薄膜出现十五年多以来,发展是十分快的。收缩薄膜自有了多用途的“L”形封口机以来,取代了用玻璃纸或其它东西的预包装,其它东西是指:带锁的箱子,瓶子或套 The shrink film is a plastic “material” that is heated and stretched and then set in cold air. The advantages of shrink film are now well known to users: high transparency, low cost, lightweight, anti-dust, easy identification, small inventory, anti-theft, easy to sell separately, but also for bulk marketing, the use of softness, especially Is to achieve full mechanization of production. Because of its many advantages, development has been very fast since more than 15 years of shrink film. Shrink Films replaces prepackaged with cellophane or something else since its versatile “L” shape sealer, with the rest being: Locked boxes, bottles or covers