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One of the primary determinants of the friction factor is the roughness of the inner surface of the pipe. Galvanized iron pipes often exhibit a relatively high level of roughness compared to other materials, such as PVC or copper. This rough surface can lead to increased turbulence in the fluid flow, resulting in a higher friction factor. Suppliers need to pay close attention to the manufacturing processes that can influence the surface finish of their pipes. Techniques such as improved galvanization methods or surface treatments could significantly reduce the internal roughness and thereby lower the friction factor.
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1. Extended Shelf Life One of the most significant advantages of vacuum pack pouches is their ability to prolong the freshness of food items. By removing air, the growth of aerobic bacteria and mold is inhibited, allowing perishable goods to stay fresh for days, weeks, or even months longer than traditionally packaged products.
2. Freshness Preservation One of the primary goals of packaging is to protect the contents from external elements, and hot tea packaging pouches excel in this area. They are typically made from multi-layer materials that secure the freshness of the tea by preventing exposure to air, moisture, and light. This preservation is essential for maintaining the tea's flavor and aroma, ensuring that consumers enjoy the full experience of their beverage.
3. Convenience Vacuum pack pouches are incredibly easy to use. Many vacuum sealers are available on the market that allow users to package food quickly and efficiently. Additionally, the compact size of vacuum-sealed pouches enables easier storage, whether in the refrigerator, freezer, or pantry.
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2. Sustainability With the mounting pressure on businesses to adopt eco-friendly practices, PE-coated paper pouches offer a compelling solution. While plastic has garnered criticism for its environmental impact, paper pouches, especially those sourced from sustainably managed forests, present a more eco-conscious alternative. Furthermore, they can often be recycled in paper recycling streams, provided any residual plastic is properly handled.
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