What is a square bottom valve pocket

The square bottom valve pocket was born in the idea of convenient freight transportation and has a history of 100 years. It can be closed by itself at the valve port after filling material, and the appearance is brick-shaped. Shows the unparalleled advantages of other bags in the transportation of goods. For example, it can realize bag picking by manipulator, automatic quantitative canning, self-closing valve port, automatic palletizing, saving storage space, square appearance, clear sign, and improving the working environment of canning, especially for powder products, which greatly improves the working environment. The advantages.

The material for making square bottom valve bags first started from paper, then developed to paper-plastic composite bags, then to film-coated plastic woven bags, and later to FFS bags. The evolution of these materials is a product derived from the market environment and market demand.

The square bottom valve bag is especially suitable for filling powder and granular products. Its valve port technology includes: inner valve port, outer valve port, and extended valve port, and the customization is flexible and changeable; it also solves the storage problem for many years, making the Its stacking is higher, which saves more storage space, and is beautiful and tidy.

In the future, FFS bag square bottom valve bag will become the main product in the packaging industry. It can withstand the filling of materials below 70 °C and multiple handling turnovers. It has good sealing, moisture-proof, waterproof and anti-fouling performance. Storage; at the same time, the bag body will not soften and deform in case of high temperature, and the bag body will not break in severe cold. Better than other material square bottom valve pockets.