PP Woven Postal Bag OEM

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Yancheng Yide Plastic Packaging Co., Ltd.

Yancheng Yide Plastic Packaging Co., Ltd. is high-tech China PP Woven Mailbag Manufacturers and OEM PP Woven Postal Bag Suppliers, specializing in the production and sale of bio-based materials and biodegradable products. Through the establishment of a complete industrial chain such as technology research and development, material production, product design, manufacturing and terminal market development, our company has provided many outstanding companies around the world, including the world's top 500 companies, with comprehensive green packaging solutions to jointly achieve the goal of environmental protection, energy saving, biodegradable products manufacturing enterprises, large supermarkets and catering industry, etc. The company have established cooperative relations with Walmart and McDonald's. The products are also exported to more than 20 countries and regions around the world, such as Canada, Japan, the United States, Mexico, etc. Wafa is the vice chairman units of of Degradable Plastic Committee in China Plastics Processing Industry Association (CPPIA) and member unit of China Biodegradation Standards Committee (TC380). The company has passed ISO9001, ISO 14001 and ISO 45001, its products have been certified by EN13432, ASTM d6400, ASTM D6866, OK COMPOST, OK-BIOBASED, FDA and China Environmental labeling products certification. At the same time, the company has also passed the ES, SCS, SWA, GMP, FCCA, BSCI and other audits from Walmart and McDonald, as well as supplier audits of SF-express, Meituan takeout and ELEME takeout, and obtained BRC audit certification of EU. The company has more than 200 intellectual property rights. Wafa is committed to become a global outstanding manufacturer of bio-based materials. We sincerely welcome all friends to our company for guidance and investigation.

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PP woven postal bag is a postal bag made of polypropylene (PP) with excellent durability and strength. This type of bag is commonly used extensively in the mailing and packaging industries, and its unique design and material make it an ideal choice.

The weaving process of PP Woven Postal Bag

The weaving process of PP woven postal bags is a key manufacturing step and plays a vital role in ensuring the strength, durability and overall performance of the bag.
Material selection: The first step in the weaving process is to select the appropriate material, and the main raw material of PP Woven Postal Bag is polypropylene (PP). Polypropylene is a synthetic material with good strength and chemical stability, suitable for making high-quality woven bags. The choice of material directly affects the tear resistance, stretch resistance and durability of the bag.
Fiber preparation: In the weaving process, polypropylene particles are first heated and melted, and then extruded and stretched to form elongated fibers. These fibers have a uniform diameter and consistent strength, providing a uniform feedstock for the subsequent weaving process.
Woven structure: PP woven postal bag adopts plain weave structure, which means that the fibers are cross-woven along the weft and weft directions. This structure gives the bag uniform strength in all directions, improving overall stretch and tear resistance. The woven construction was chosen to ensure the bag can withstand the challenges of shipping and storage.
Weaving density: In the weaving process, weaving density is an important parameter. PP woven postal bags are usually woven with high density, that is, more fibers are used per unit area. This design increases the strength and stability of the bag, allowing it to withstand greater weight, while reducing the permeability of the bag, effectively protecting the contents inside.
Coating treatment: In order to increase the waterproofness and durability of the bag, some PP woven postal bags are coated after the weaving is completed. This coating usually uses polyethylene (PE) or other waterproof materials to ensure that the bag can effectively protect items in humid environments.
Cutting and Stitching: The final stage of the weaving process involves cutting and stitching the edges of the bag. This ensures a clean appearance to the bag and makes the overall structure stronger. The cutting and sewing process requires high-precision technology to ensure that the size and shape of the bag meet the design requirements.

Application of PP Woven Postal Bag

PP woven postal bags are widely used in the postal and packaging industries due to their excellent strength, durability and versatility.
E-commerce packaging: PP woven postal bag is one of the common packaging options in the e-commerce industry. Thanks to its tear- and stretch-resistant properties, this bag is able to safely transport items of all sizes, from small electronics to large household items. Its lightweight design makes packages safe and convenient during transportation.
Express and Postal Services: Ideal for postal packaging, PP woven postal bags are widely used in express and postal services. Its strong structure and pressure resistance ensure the safety of the package during the entire transportation process, and can effectively protect the items from shipping to delivery.
Logistics and warehousing: PP woven postal bag also plays an important role in the field of logistics and warehousing. The bags effectively package and protect goods, making them less susceptible to damage throughout the supply chain. At the same time, the bag's lightweight design helps simplify the warehousing and handling process.
Agricultural product packaging: Due to its moisture-proof and breathable properties, PP woven postal bags are widely used in the agricultural field, especially for packaging grain, seeds and agricultural products. The bags effectively protect produce from moisture and external contamination.
Building Materials Transportation: Due to the high strength and durability of PP woven postal bags, it is also common in building materials transportation. For example, it can be used to pack and transport construction materials such as sand, gravel, cement, etc. to ensure that these heavy items are not damaged during transportation.
Garbage bags: In the field of garbage disposal, PP woven postal bags are also used to make strong garbage bags. Its durability and leak-proof nature make it a reliable choice for trash bagging.