Bleaching Powder PE Valve Bags with Square Bottom

They have strong sealing performance, which is good at preventing moisture and leakage. The PE (polyethylene) material itself has excellent waterproof and barrier properties. It can effectively prevent bleaching powder from coming into contact with moisture and oxygen in the air, avoiding the bleaching powder from decomposing or losing its effectiveness due to moisture.

The square-bottom valve design adopts mechanical sealing processes, such as heat sealing and stitching. After the valve is closed, it forms a sealed space. This makes it less likely for powder leakage to occur during transportation and storage, thereby reducing environmental pollution and material loss.

They have a stable structure and strong load-bearing capacity. The bottom of the square-bottom bag is square, so it stands stably. This makes it easy to stack and store, saving a lot of warehouse space. The valve bag uses a multi-layer composite structure, such as PE plus woven cloth, which can improve the bag's tear resistance and load-bearing capacity. Usually, it can hold 25-50kg of bleaching powder, fully meeting the needs of industrial packaging.

Loading and unloading are convenient, which can improve work efficiency. The valve design supports automatic filling-bleaching powder can be poured in through the top valve-and unloading can be done through the bottom opening or by removing the valve. This design is very suitable for production line operations and can reduce labor costs. Moreover, empty bags are small in volume when folded, which also reduces transportation and storage costs.

They are resistant to chemical corrosion and have strong adaptability. Bleaching powder is highly oxidizing and corrosive, but PE material has good tolerance to most chemical substances. It will not be corroded by bleaching powder, which can extend the service life of the bag. At the same time, PE material is not easy to react chemically with bleaching powder, thus ensuring the purity of the material.

They are environmentally friendly and recyclable, complying with relevant standards. PE material can be recycled and reused, which meets environmental protection requirements. Some bags will also add degradable materials to reduce white pollution. The products usually pass the certification for food contact materials, such as non-food grade bleaching powder packaging, or pass industrial packaging standards certification, so their safety is guaranteed.

The sizes of Bleaching Powder PE Valve Bags with Square Bottom are usually customized according to the loading capacity and usage scenarios. Here are some common specifications.

Small-sized bags have dimensions of 300×200×500mm, with a capacity of approximately 10-15kg, suitable for laboratories and small processing sites.

Standard industrial bags have dimensions of 450×300×700mm, with a capacity of about 25-30kg, commonly used in industrial production, agricultural disinfection and other scenarios.

Large-sized bags have dimensions of 550×350×900mm, with a capacity of roughly 40-50kg, applicable to large warehouses and wholesale transportation.

There are some explanations about size customization. If there are special needs, such as using it in an automatic filling line, it is necessary to adjust the diameter of the valve according to the size of the equipment interface. The common inner diameter of the valve is 50-100mm. If the bleaching powder particles are of different thicknesses, the thickness of the bag body can be adjusted, such as 80-120μm, to adapt to different fluidity.

The customization process is not complicated. Suppliers can usually adjust the ratio of length, width and height according to customer needs. For example, increasing the height to improve capacity, or reducing the bottom size to fit the shelf space.

Bleaching powder is a dangerous chemical, so its packaging needs to comply with General Technical Conditions for Transport Packaging of Dangerous Goods (GB 12463). In some scenarios, it is also necessary to add anti-static coatings or adopt explosion-proof designs.

When storing, avoid direct sunlight and high-temperature environments to prevent the PE material from aging, which may lead to a decrease in sealing performance.

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