Many friends often use transparency as one of the reference standards when choosing plastic packaging bags. When judging, usually use the naked eye to directly identify and compare two plastic bags to see which one is more transparent. If the transparency is better, the quality is better. However, the transparency of plastic packaging bags is usually affected by many factors. Do you know what can affect the transparency of plastic packaging bags? The following is a brief introduction: The transparency of plastic packaging bags is affected by the following four aspects: 1. Material: OPP plastic bags are more transparent than (PE) polyethylene plastic bags, and low-density polyethylene plastics in polyethylene materials Bags are more transparent than HDPE plastic bags. 2. Composition: Take polyethylene plastic packaging bags as an example. If recycled materials are added, plastic packaging bags will become