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What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?

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What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?
Latest company news about What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?

What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?

 

The difference between open mouthed bags and valve bags.

Open bags and valve bags are popular packing bags nowadays. They often appear in people's daily life. Today, let's introduce the difference between open bags and valve bags.


From the point of view of the bag itself, the open bag is a straight cylinder, with bottom underneath and no seal on top. The packaged products are directly dumped or packed in the bag under the action of gravity, and are sewed and packed by hand-held sewing machines or other ways.


Valve bags, also known as square bottom bags, are mainly made of PP (polypropylene) and PE (polyethylene). The product is loaded into customer products in a quadrangular three-dimensional form, which is a new type of packaging to improve the loading speed and the grade of export products. At present, it is mainly used for export-oriented enterprises. The product is stacked on pallets with wrapping film, which is the standard. Valve bags are sewn up and down, leaving a machine filling inlet and outlet. Packaged products are loaded into valve bags from the filling outlet under the action of pneumatic or mechanical power. Valve bags are mainly used for packaging powder or granular solid materials such as food powder, chemical powder, fertilizer, synthetic materials, explosives, grain, salt, minerals and other flexible articles. It is especially suitable for export enterprises and can improve the packaging grade of products.


They are suitable for packaging products because of the different bag technology. Valve bag packaging costs are usually higher and the packaging machine is more expensive, but the weighing is very accurate, beautiful, easy to stack, which improves the product image of the packaging products. Open bag packaging costs less and has low technology content.

 

latest company news about What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?  0latest company news about What is the open mouthed bags? what is the valve bags ? and what is the difference of the open mouthed bags and valve bags?  1

Pub Time : 2019-09-19 09:45:55 >> News list
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