What are the characteristics and uses of pvc packaging bags?

There are many pvc packaging bags in Guangdong Province, and there are very few manufacturers in Jiangsu Province, Anhui Province, Henan Province, and Fujian Province. PVC bag manufacturers have significant regional characteristics, and many regions do not have manufacturing and processing plants. In addition to PVC, the common ones are PE, PET, PS, etc. Most of the packaging bags that are common in daily life today are PE, including film bags; PET is used for heat-resistant packaging bags; PS is used for some food inner packaging boxes, such as those with concave grooves for placing moon cakes. A torn box.

PE (high pressure polyethylene, this raw material is mainly used in the production of protective film), POF (what material is this is not clear), OPP (fixed polypropylene, this is the key used in the production of sealing glue, that is, stationery Tape) This material can be used to produce packaging bags. PVC is a heat-shrinkable film material, and the key is to be a shrinkable film, which is used for packaging and manufacturing unmanufactured tapes, etc.

According to the difference in the thickness of the PVC film and the different uses, there are various packaging designs such as PVC bags, skin care products packaging bags, stationery packaging bags, processing decoration packaging bags, and handbags. Many high-end commodity manufacturers generally use PVC bags for packaging, beautifully packaged goods, and improve the level of goods, but the price is more expensive than OPP bags/PE bags. High-frequency lamination of PVC bags, that is, after the PVC roll film is cut into pieces, it must be printed with silk-screen ink (most of PVC is generally silk-screen ink for clothing printing), and then pressed with a high-frequency heating machine. It is necessary to customize the copper mold and then manufacture it in many aspects. Pressed PVC bags can be suppressed into various styles such as PVC sleeve specification bags, PVC welt bags, PVC toothless zipper bags, PVC hand bags, PVC packaging bags and so on. After sewing the PVC bag and opening the garment, it is immediately sewn with the thread of an electric sewing machine such as an industrial rail flat car or a high car. Generally, there are spare parts such as nylon zippers at the conference.