Foreign production is mainly of polyethylene (PE), mainly for the domestic production of polypropylene (PP), is a thermoplastic resin by polymerization of ethylene obtained. In the industry, but also copolymers of ethylene with small amounts of α- olefins. Polyethylene odorless, non-toxic, feel like wax, with excellent low temperature performance (the lowest temperature up -70 ~ -100 ℃), good color woven bags plant chemical stability, resistance to most acid-base erosion (not acid having an oxidation-resistant properties), at room temperature, insoluble in common solvents, low water absorption, excellent electrical insulation properties; however polyethylene environmental stress (chemical and mechanical action) is very sensitive, heat aging resistance is poor. Polyethylene nature because of different varieties, depending on the molecular structure and density. Using different production methods can be obtained with different densities (0.91 ~ 0.96g / cm3) of the product. Polyethylene generally available thermoplastics molding method (see plastics processing) processing. Wide range of uses, mainly used to manufacture film, containers, pipes, monofilament, wire and cable, and other daily necessities, and as television, radar and other high-frequency insulation. With the development of petrochemical industry, the rapid development of polyethylene production, production accounts for about 1 / 4.1983 world total production capacity of polyethylene plastic bags color output for 24.65Mt sack, built in unit capacity of 3.16Mt. Polypropylene (PP) prepared by the polymerization of propylene and a thermoplastic resin is obtained. There was an isotactic, syndiotactic and atactic material was three configurations, isotactic industrial products as a main component thereof. Polypropylene also includes a small amount of propylene and copolymers, including ethylene. Usually translucent colorless solid, odorless, non-toxic. Because of the structure of regular and highly crystallized, so the melting point of up to 167 ℃, heat, steam sterilization products available is its outstanding advantages. Density of 0.90g / cm3, is the lightest common plastic. Corrosion resistance, tensile strength of 30MPa, strength, rigidity and transparency better than polyethylene. The disadvantage is the low temperature impact resistance, easier to aging putty powder color woven bags, but can be overcome, respectively, by adding antioxidants and modified. Bags color is generally white or gray color woven, non-toxic, tasteless, human bodily injury is generally small, although it is manufactured by a variety of chemical plastics, but its strong environmental protection, and recovery of larger efforts; color weave Bag | Tiande Packaging | OPP color woven Co. provided by Pingxiang City Tiande packaging materials. "Bags, tons of bags, container bags, color bags, paper-plastic bags, used tons of bags, woven ring" preferred Pingxiang City Tiande Packaging Materials Co., Ltd. (2), the company is located at: Pingxiang Luxi Town Toizumi village, over the years, Tiande packaging to provide customers the best quality service, Contact: Miss Sue Park. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Tiande packaging expect to be your long term partner!