Polyethylene bags are manufactured by blow molding, plastic material into a variety of baby diaper changing mat bag map, generally divided into two kinds of PE plastic materials and composite materials. pe material is divided into high-density polyethylene and low density polyethylene two kinds. High density polyethylene referred to (HDPE) low density polyethylene Jane (LDPE). 1, the synthetic resin is the main component of plastic synthetic resin, the content in plastics generally 40% to 100%. Due to the large content and nature of the resin often determines the nature of the plastic, so people often put plastic resin as a synonym. Such as polyvinyl chloride resin and PVC plastic, phenolic resins and phenolic plastic confused. In fact, resin and plastic bags are two different concepts. A raw polymer resin is raw, it is not only used to make plastics, but also paints, adhesives and synthetic raw materials. In addition to a tiny percentage of the plastic resin containing 100 percent foreign diaper bags, the vast majority of plastic bags, in addition to the main components of the resin, but also need to add other substances. 2, also known as packing filler, which can improve the strength and heat resistance of plastic processing, and reduce costs. Such as phenolic resin after adding flour can greatly reduce costs and make Bakelite became one of the cheapest plastic, as well as significantly improve the mechanical strength. Fillers can be divided into two types of organic fillers and inorganic fillers adult diaper bags printing, such as the former flour, rags, paper and various textile fibers, such as glass fibers which, diatomaceous earth, asbestos, carbon black. 3, the role of a stabilizer to prevent the synthetic resin by heat and light during processing and use during decomposition and destruction customized napkin diaper bags, long life, to add stabilizers in plastics. Commonly used are stearates, such as epoxy resin. 4, colorants plastic colorants can have a variety of bright, beautiful colors. Common organic dyes and inorganic pigments as colorants. Aluminum foil bags usually refers to plastic composite vacuum bags, these products are suitable for large-scale precision machinery and equipment, chemicals, pharmaceutical intermediates, moisture, light, vacuum packaging. Multi-use four-layer structure, with good watertight and oxygen barrier function. Unlimited amount of body can be customized with different specifications, style bags, pockets can be made flat, three-dimensional bags, organ bags and other styles. _ Tianjin diaper bags diaper wipes easy to pull paste _ Li Bin packing bags (provided. Xiong Li Bin, paper and plastic packaging plant (www.libinpack.com/)(www.libinpack.com by Xiong Li Bin, paper and plastic packaging plant ) is specialized in the "diaper bags, nursing pads bags, toilet bags, garment bags, soft tissue pumping bag" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services Welcome to inquire! Contact: Li Libin also be accessed (www.libinpack.com/supply_details_44445710.html), for more information about the company.