目前,作为包装材料的聚乙烯吹塑薄膜在包装行业中的应用日益广泛。这是由于聚乙烯薄膜具有下列优点: 一、物理化学性能良好,无毒,透明性好,质轻而价廉,加工厂及用户都乐于采用。二、原料来源丰富,加工方便,成品的机械性能良好,对大多数包装物品有很大的适应性。 At present, as the packaging material of polyethylene blown film in the packaging industry is increasingly widely used. This is because the polyethylene film has the following advantages: First, the physical and chemical properties of good, non-toxic, good transparency, light and inexpensive, processing plants and users are happy to use. Second, the rich sources of raw materials, processing convenience, the mechanical properties of the finished product is good, most of the packaging items have great adaptability.