1.PE material: the material is divided into a high pressure (LDPE) and low feed (HDPE). From the appearance of the high-pressure feed relatively smooth vests supermarket bags, soft, toughness is good, a lot of handbags raw materials are produced using high pressure feed. Low pressure material tension well, high hardness, widely used in shopping malls, various procurement markets. The easiest method to distinguish between high and low, with Shredded produce white marks proved to be a low pressure, low pressure is due to the high density, it will produce white marks, no white marks that tension is generally a good high pressure. 2.PP material: solid body hard, but relatively high transparency, clearer, tension is not very good, explosive mouth. Mostly for gift wrap, and finished apparel sales, we bought new clothes and have the kind of plastic bags wrapped layer of double-sided adhesive seal products are usually bags of po. PP bags very transparent, feels very slippery, there will be folded to its fold, folded PE bags do not. 3.OPP material: the most brittle material custom vest bag, the most transparent, tension is not enough, but the most explosive port and most likely bleaching printing gap is difficult if not torn, but there was a slight gap with a little effort you can not tear. On. Plastic bags are often used in daily life to the article vest bag price is also very familiar with the product. But now in the process of making plastic bags, many people are concerned about plastic bags when making design-related issues. At that time when you can play in the design of some slogan, not only consumers are willing to use, but also provides businesses with a sense invisible advertising. Guiyang vest bags | Custom T-shirt bag | customized Akei Commodity Specialist (certified merchants) are provided by Commodity Ltd. Guiyang Akei. Guiyang Akei Commodity Co., Ltd. (www.gyyqsld.com) (www.gyyqsld.com) is specialized in "plastic bags, woven bags, shopping bags, vacuum bags, convenient bags," the business, companies adhering to the "integrity management, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Shen Wen.