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What are the main applications of valve bags?


valve pocket, also known as square bottom bag, the material mainly includes PP(polypropylene),PE(polyethylene). The product is loaded into the customer's products into a square shape, is a new type of packaging to improve the loading speed and improve the quality of export products. At present, it is mainly suitable for export enterprises.

After loading and palletizing, the product is placed on the tray with a winding film, which is standard and meets foreign requirements. PP woven bag valve pockets have two kinds of general coating film and color printing film.

valve pocket

The valve port of the valve pocket can be divided into: outer valve port and inner valve port; The application features of the valve pocket: high-speed filling, flexible valve port, neat packing, firm and reliable; The bottom form is: square bottom, seam bottom, easy to pull bottom.

At present, fertilizer, feed, polyethylene resin, epoxy resin, starch, putty powder, carbon black and so on are mostly used in this kind of packaging, and gradually used to become an industry packaging habit. PE plastic film valve pocket as the leading packaging, ionic resin,TPU resin, calcium chloride, carbon black, sodium formate, and some pharmaceutical intermediates and other high value-added chemical industry mostly use such packaging. In addition to the characteristics of PP woven bags, the printing of this product is more beautiful and generous.

In addition, anti-slip lines can be added to increase the friction between the palletizing bags and increase the palletizing height. And the recycling value is particularly high. The valve pocket is a type of packaging bag that can be filled quantitatively at high speed by putting the valve port at the top or bottom of the bag into the material filling port of the valve pocket filling machine.

It uses a variety of different types of valve ports to accommodate a variety of different types of valve pocket filling machines and packaging product types. It uses high-strength kraft paper or paper-plastic composite cloth, high fastness, strong impact resistance, filled with materials automatically filled into cuboid, easy to stack neatly, suitable for granular, powder and ultrafine powder material packaging, is currently widely used in the international environment-friendly packaging bag type, especially suitable for export type enterprises.

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