Non-woven fabrics (also known as non-woven fabrics) are produced by using polypropylene (PP) pellets as raw materials, which are melted at a high temperature, spun, laid, and hot-rolled. It is called cloth because it has the appearance and some properties of the cloth. However, they are made on a wet or dry paper machine including chemical fibers and plant fibers under the condition of using water or air as a suspending medium. Although it is a cloth and not a textile, it is called a nonwoven fabric. Has high tensile strength and tear strength. No holes, spots, high smoothness. It has different water resistance and oil resistance depending on the application. Plant fiber, chemical fiber or other special fiber is used as raw material. It is possible to add or not to add a binder. The product has high toughness, good ventilation, strong wear resistance, moderate hardness, and uniform thickness. It is acid and alkali resistant, non-toxic, free of insects and easy to wash. Suitable for agricultural film, shoemaking, leather, mattress, quilt, decoration, chemical, printing, automotive, building materials, furniture and other industries, and clothing lining, medical and health disposable surgical gowns, masks, caps, sheets, hotels Disposable tablecloths, beauty, saunas, fashion bags, boutique bags, shopping bags, advertising bags, etc. Environmentally friendly products, versatile and economical. An air tightness zipper is a type of zipper designed to be airtight and waterproof. It is typically used in applications where air and moisture need to be kept out, such as in wet suits, inflatable rafts, and airtight bags. The zipper consists of two strips of fabric with interlocking teeth, and a rubber or plastic gasket between them. The gasket helps to create a seal, preventing air and moisture from entering or escaping. Air tightness Zippers are available in a variety of sizes and styles, and can be used in a variety of applications. airtight zipper, tpu airtight zipper, zipper airtight RR Zipper , https://www.arrzipper.com