25kg Multi-layer Kraft Paper Moisture-proof Packaging Valve Bag

25kg multi-layer kraft paper moisture-proof packaging valve bag

25kg multi-layer kraft paper moisture-proof packaging valve bag introduction:

The valve pocket is a square-bottom packaging container made of multiple layers of paper-based or plastic-woven materials. It achieves sealing through heat-sealing welding technology. Its structural features enable top valve opening for feeding and automatic sealing. This product is mainly used for packaging powder and granular materials such as building materials (cement, mortar, gypsum), chemical raw materials, and food additives. It has characteristics such as neat stacking, good air permeability and moisture resistance, and is environmentally friendly and recyclable.

Materials and Structure of 25kg multi-layer kraft paper moisture-proof packaging valve bag:
It is made of PP (polypropylene) material or paper-plastic composite material. The base material consists of a three-layer paper-one-layer film composite layer or multi-layer paper bag structure. The surface is treated with coating to enhance printing effect and waterproof performance. The square bottom design is combined with the top valve structure, which can be adapted to automatic filling equipment. After filling, it forms a regular cubic stack.

Details in 25kg multi-layer kraft paper moisture-proof packaging valve bag:

Clear structure: Paper color is selectable, multi-layer paper bags are available, customization is supported, and its waterproof and moisture-proof performance is even better.

Sturdy and wear-resistant: Exceptionally strong resilience, it won't deform even when stretched to the maximum extent.

Printed clearly: Using Inkol ink, the colors are bright and beautiful.

Uniform opening: The opening is automatically preheated and cut, resulting in a uniform opening.

PUDA features of 25kg multi-layer kraft paper moisture-proof packaging valve bag:

1.Weave tightly and sturdily. Select high-quality materials and adopt advanced weaving technology, making it more sturdy and durable.

2.Paper-plastic bag - Triple-layer composite. Select high-quality kraft paper, PE composite coating, woven fabric. The three-layer composite has strong puncture resistance and can also protect the goods, preventing moisture, dust and other factors.

3.Cellophane sealing tape. Standard size sealing tape: 8 * 53 cm. Order by the bundle (about 500 pieces). Durable and firm, does not break or wrap. Suitable for 25 kg general packaging.

4.Hot adhesive tape sealing bottom - More sealed and beautiful. The sealing is neat, the workmanship is fine. Hot adhesive tape sealing bottom, double protection, strong impact resistance, effectively solving the problems of powder leakage and material leakage.

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