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Funnel bags are used to pack some powder products (especially plaster, cement, etc.). Although there are different types of bags with a funnel, in general, a funnel is a small channel in the corner of the bag for the nozzle to enter and fill the bag with the desired product. In other words, in bags with a funnel, both sides of the bag (top and bottom) are closed and only a small entrance called a funnel is placed in its corner. The most important types of funnels include glue funnels, L-cut funnels, and stenciled funnels. In bags with L-cut funnels, the bag is first cut into a pocket (gast) an ...

For the high strength of the bag, as well as the resistance of the contents against moisture, as well as preventing the contents of the bag from falling and leaking, a thin layer of PP material is poured on the roll of a simple bag by a machine called laminate and sticks on it. Therefore, laminated bags are considered 2 layers. The laminate layer can be transparent or matte in appearance. Also, depending on the thickness of the laminate layer, the grammage of the bag and its resistance are different.\r\n This type of bag is usually cut cold (cutter blade), because due to the laminate layer on ...

This bag together for a head, open and funnel-shaped, reliable production.

Composite bags are mainly used for packaging a certain range of products (such as animal feed or petrochemical and chemical products). In this type of bags, the thin layer of paper is glued on a simple bag roll by lamination. Therefore, these types of bags are considered three layers. Composite bags are used for packing products weighing up to 50 kg. Another use of this type of bags is the beautiful appearance for packing export products. The price of composite bags also varies depending on the thickness of the PP fabric and the paper layer per kilogram. Some industries, including chemical and ...

This bag fits in the bored client and the type of print that fashion is first print the image on a film metallized eaten then on the rolls of polypropylene laminate. This bag, in annual can produce.

Simple bag, as its name suggests, is the simplest type of polypropylene bag, which is produced from warp and weft fabric with a spinning machine. After these bags are produced by spinning machines, no other process is done on them and they are directly converted from rolls to bags by printing, cutting and sewing machines. These bags are not able to protect their contents from environmental moisture. Simple bags are cut in a hot way (with an element) to prevent threading. \r\n Simple bags are produced in different widths from 30 cm to 80 cm. However, its special types, which are used to cover t ...

Funnel bags are used to pack some powder products (especially plaster, cement, etc.). Although there are different types of bags with a funnel, in general, a funnel is a small channel in the corner of the bag for the nozzle to enter and fill the bag with the desired product. In other words, in bags with a funnel, both sides of the bag (top and bottom) are closed and only a small entrance called a funnel is placed in its corner.\r\n In gypsum funnel bags (also known as rocket funnels), the head of the bag is inserted into the groove from one side in a certain way, and then its upper edge (s ...