What materials are used for custom clothing packaging bags
? As the world's largest clothing market, although the year-on-year growth rate of China's clothing market dropped to 3.5% in 2019, the market sales reached 2.15 trillion yuan. The demand for clothing packaging bags is also increasing, so there are so many types of materials for plastic packaging bags, what materials should be used for custom clothing packaging bags? Material introduction 1PE material (ldpe) PE material is high pressure polyethylene, a kind of organic polymer material, which is a kind of extremely common polymer material. PE materials can be used to make handbags, flat pockets, self-adhesive bags, express bags, zipper bags, plastic ziplock bags, composite packaging bags, etc., basically including all functional styles. When PE is not colored, it generally has a transparent texture. The texture is similar to that of wax, but the transparency is not particularly high. When the thickness of the packaging bag is thicker, it will be a bit hazy, which is not as transparent as the PP material. High-pressure polyethylene does not dissolve in water, and its water absorption capacity is relatively small, that is, for some organic solvents in the chemical industry, such as toluene, acetic acid, etc., it can only melt slightly at an ambient temperature of about 75 °C. However, the high-pressure polyethylene in the form of particles can also melt or solidify with the change of the ambient temperature between 15°C and 40°C. When the ambient temperature rises, it melts, digesting and absorbing heat; when the ambient temperature decreases, it solidifies and releases heat. Generally, PE materials are used in direct contact with food, because PE is harmless to the human body, relatively safe, non-toxic, and has good bag-making performance and cost performance. Therefore, many food bags are made of PE materials. The wide application of PE material makes it the most commonly used material in clothing packaging bags, usually used in plastic bags such as plastic handbags, plastic zipper bags, and plastic flat pockets. PE material bag: 2PO material (hdpe) PO is also a kind of PE in a broad sense, called HDPE, that is, high density low pressure polyethylene. PO materials are widely used in all kinds of fresh-keeping bags, vest bags, packing bags, and convenience bags. Bags made of PO materials such as clothing packaging bags are relatively hard and brittle, and when rubbed, they will make a prickling sound. The PO package made without adding color masterbatch has lower transparency, similar to the frosted texture, but smoother to the touch. Because of its high hardness, PO material is also used to make handbags and punching bags. Due to the low raw material cost of PO material, it is the best choice for making such bags. PO can also be used to make composite bags, because its hardness, tensile strength and creep are better than low density polyethylene; better wear resistance, electrical insulation, toughness and cold resistance; good chemical stability, at room temperature It is insoluble in any organic solvent, resistant to corrosion by acid, alkali and various salts; the film has low permeability to water vapor and air, and low water absorption. PO material bag: 3PP material PP material has a high melting point, so the temperature of the cutting knife must be increased to about its melting point when making the packaging bag, otherwise the problem of side cracking is very likely to occur. Polypropylene is widely used in the manufacture of clothing, fleece blankets and other fiber products, medical machinery, trolleys, bicycles, parts, gas pipelines, chemical equipment, etc. It is also used in the design of food and drug packaging. PP material packaging bags, such as commodity words, are commonly used in the packaging of stationery, electronic devices, hardware products and other manufacturing industries. The color of the PP bag is fully transparent, with high quality, good ductility, firmer, and not easy to cut. Due to the low price of raw materials and the relatively simple processing technology, the production cost of PP bags is very cost-effective. Due to the double drawing in the whole process of production, the tensile strength and impact resistance are very good; therefore, PP raw materials are common printing consumables in the packaging manufacturing industry, and because the raw materials have no sealing properties ( cannot be sealed), so it cannot be used as a composite sealing material. PP material bag: 4CPE material CPE is also a kind of PE in a broad sense. The raw materials are the same, but the production process is different. The full name of CPE in Chinese is cast polyethylene, which is widely used in the inner layer of retort composite bags. in the internal packaging of electronic products. The thickness uniformity of CPE is relatively good, and the impact on printing is relatively small. At the same time, its translucent frosted texture is loved and welcomed by many consumers. CPE can be used to make smaller bags such as flat pockets, CPE zipper bags, composite bags, self-adhesive bags, etc. CPE also has an anti-static function. Compared with PE plastic bags, CPE plastic bags have several advantages. The first is that they are not easy to burst. The second advantage is anti-scratch products, especially lenses. The third advantage is chemical resistance, high temperature resistance, oxidation resistance and good physical properties, with elastomers. So how to distinguish the quality of CPE bags like clothing bags? Here are several methods, first: to see if it feels soft to the touch, second: to see if the cut edges are neat, and whether the printing is easy to fade, third: to see the sealing strength and tensile strength of the bag. CPE material bag: 5PVC material PVC plastic material is widely used, from sheet to pipe,In toys and floors, PVC plastic materials are used in various fields, and our clothing packaging bags are made of PVC plastic materials. PVC plastic is polyvinyl chloride plastic, which is bright, corrosion-resistant, strong and durable. Due to the addition of some toxic and harmful auxiliary materials such as plasticizers and anti-aging agents in the production process, its products usually do not store food and drugs. .
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