Multi-layer Kraft Paper Flat Valve Bag

A multi-layer kraft paper flat valve bag is a type of packaging commonly used for various products such as powdered goods, granular materials, or even small parts. These bags are constructed from multiple layers of high-strength kraft paper, often with an inner polyethylene film layer that provides barrier properties to protect the contents from moisture, oxygen, and other environmental factors.

The multi-layer kraft paper flat valve bag is mainly made of imported or domestic flexible kraft paper, and a polyethylene (PE) film can be sandwiched in the inner layer. It is an eco-friendly and durable packaging product, mainly used for packing powdered or granular items such as cement, fertilizer, feed, etc. This bag is composed of multiple layers of paper and a valve, which can effectively prevent items from leaking. The flat mouth design makes the filling and sealing process convenient and fast. In addition, this bag also has good moisture resistance, which can protect the internal items from moisture erosion.

• Improving packaging efficiency: The valve bag uses special filling equipment. After filling the material, it becomes a cubic shape, which is neatly stacked and beautiful.
• Convenient for transportation: After filling the material, it automatically fills into a cubic shape, which is easy to stack neatly.
• Strong firmness: It uses high-strength kraft paper or paper-plastic composite cloth, which has very high firmness and strong impact resistance.
• Low breakage rate: The valve bag is durable and not easy to damage.
• Good moisture resistance: The inner layer can be sandwiched with PE or coated paper, which has good moisture resistance.

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