Paper valve cement bags are a high-quality, durable and efficient type of packaging bag used to store and transport cement. These bags are made of multi-wall high-quality paper and are designed with a special valve that allows for easy filling of the cement without the need for a separate opening.
Internal Valve Bag
External Valve Bag
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The capacity of the paper cement valve bag is usually 20 kg, 25 kg, 50 kg. The paper used to make these bags is typically multi-layered and reinforced to provide strength and durability. The bags are also designed to withstand the weight of the cement and prevent tearing or bursting during handling and transportation.
In order to improve the filling speed, many tiny holes are punched in the paper in advance, so that the air in the bag can be quickly discharged when filling.
The polyethylene film layer is designed to prevent moisture and air from entering the bag, which helps to preserve the quality of the cement inside.
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Paper valve bags are widely used in the construction industry and are preferred over other types of packaging such as plastic bags because they are more environmentally friendly and can be easily recycled.
