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Description

Heat-sealed waterproof paper bags are made by combining two or more layers of materials (usually paper and waterproof materials) together through a heat-sealing process to form a packaging bag with waterproof function. This type of paper bag is widely used in the packaging industry, especially in situations where the contents need to be protected from moisture.

Features

Excellent waterproof performance: Heat-sealed waterproof paper bags are made of special waterproof materials, have excellent waterproof performance, and can effectively prevent moisture penetration.

Strong sealing: Through the heat-sealing process, the opening part of the paper bag is firmly closed, ensuring the sealing inside the bag.

Good load-bearing capacity: Heat-sealed waterproof paper bags usually adopt a multi-layer structure, have a strong load-bearing capacity, and can accommodate heavier items.

Environmentally friendly and degradable: The main materials of heat-sealed waterproof paper bags are paper and waterproof materials, which are usually degradable and meet environmental protection requirements.

Function

The main function of heat-sealed waterproof paper bags is to provide waterproof protection. During packaging, transportation and storage, it can effectively prevent external moisture from entering the bag, thereby protecting the contents from damage such as moisture and mildew. In addition, the heat-sealing process also ensures the sealing of the paper bag, enabling it to prevent the intrusion of impurities such as gas and dust.

Advantages

Protect the contents: Heat-sealed waterproof paper bags can effectively protect the contents from moisture and extend the shelf life and service life of the items.

Improve packaging efficiency: The heat-sealing process makes the sealing of paper bags more secure and faster, which improves packaging efficiency.

Reduce costs: Compared with other waterproof materials, the cost of heat-sealed waterproof paper bags is relatively low, which can save packaging costs for enterprises.

Easy to print and customize: The surface of heat-sealed waterproof paper bags is flat, and it is easy to print and customize various patterns and texts to meet the personalized needs of enterprises.

Application Field

Food industry: used to package various foods, such as biscuits, candies, meat, etc., to prevent food from getting damp and spoiling.

Electronic industry: used to package sensitive items such as electronic components and circuit boards to prevent them from being damaged by moisture and dust.

Chemical industry: used to package various chemicals, such as coatings and paints, to prevent them from leaking and polluting the environment.

Logistics industry: used to package and transport various goods, especially those that require waterproof protection.

Maintenance methods

Avoid prolonged exposure to the sun and rain: prolonged exposure to the sun and rain will cause the paper bags to age, deform and break, so try to avoid exposing the paper bags to harsh environments.

Keep dry: During use and storage, the paper bags should be kept dry to prevent them from getting damp and moldy.

Avoid heavy pressure and sharp objects: Heavy pressure and sharp objects may cause the paper bags to break or deform, so avoid placing heavy objects or sharp objects on the paper bags.

Regular inspection: Regularly check the integrity of the paper bags, and replace them in time if they are found to be damaged or deformed.

Heat-sealed waterproof paper bags have excellent waterproof performance, strong sealing, good load-bearing capacity, environmental protection and degradability, and other characteristics and advantages. They are widely used in many fields such as food, electronics, chemicals and logistics. In order to ensure their performance and service life, appropriate maintenance methods need to be adopted.