In almost all plastic synthetic resins. Plastic resin is the most important component for later food bags, acts as adhesive, the other part of the plastic can cemented into a whole. Although the incorporation of additives can change the nature of the plastic, but plastic resin is to determine the type, performance and use of fundamental factors composite food bags for food, electronics, chemicals, pharmaceuticals, tea, precision instruments and defense products, vacuum-packed or sophisticated general packaging. Raw material: OPP, PE, POF, PPE, PP, etc. composite membrane process is divided: while envelope printing food bags, bottom seal bag, sealed in bags, side seal. Require four different machines. PE film: Transparency slightly less cpp, but softer than cpp, PE film is better tensile properties, tensile strength is better. There are white and transparent PE two kinds of PE (HDPE / LDPE / LLDPE), feel softer. PA film (nylon): PA relatively tough material compression food bags, transparency and wear puncture-resistant, easily oxidized, easy to shrink and wrinkle, this material is suitable for installation similar bone products. Aluminum food bags Features: high flatness, printing bright colors, can be equipped with zippers, local Matte, bronzing and other special techniques. Unique design, the new printing process, highlighting the effects of designs and trademarks, trademarks or patterns can be designed in particular, play a very good security effectiveness. More prominent products of high quality, distinctive shelf effect. Food bags, food bags custom, red plastic (certified merchants) provided by Xiong Red Plastic Factory. Xiong Red Plastic Factory (corp.1688.com/page/index.htm?memberId=poqwe321&fromSite=company_site&tab=companyWeb_detail) is specialized in "plastic bags, food bags, garbage bags, bags, craft bags, merchandise bags," the enterprise the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhao floor.