Shengxin Pipe Industry

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Understand the manufacturing procedures and key production considerations for stand-up pouches.

Understand the manufacturing procedures and key production considerations for stand-up pouches.

Preparation: Install the transverse heat seal blade, the bottom heat seal blade, and the reinforcing heat seal blade; also install the perforation device. 2. Thread the film, set the EPC, and align the bag edges and pattern. 3. Adjust the bottom heat seal blade, enter the length dimension, and position the blade...

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2023

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How many types of zip-lock packaging bags are there?

How many types of zip-lock packaging bags are there?

Standard zip-lock bags are typically larger in size and made from woven fabric, transparent PE, or OPP plastic film. They feature a standard plastic zipper and are commonly used to package bulky items, such as outer packaging for quilts or large, lightweight luggage bags, among others.

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2023

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Is polyethylene toxic?

Is polyethylene toxic?

Polyethylene itself is non‑toxic. It is broadly classified into high‑density polyethylene, low‑density polyethylene, and linear low‑density polyethylene. Polyethylene has a matte surface, appearing as milky white, waxy granules; it is corrosion‑resistant, exhibits low water absorption, and possesses excellent electrical insulation properties. Its production processes are mainly divided into the high‑pressure tubular process and the autoclave process. It is primarily used in agricultural films, industrial packaging films, and other applications...

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2023

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Precautions for the Production Process of High-Temperature Retort Pouches

Precautions for the Production Process of High-Temperature Retort Pouches

Common base materials for high‑temperature retort pouches include PET, NY, aluminum, and RCPP. The effectiveness of corona treatment on these substrates directly affects the composite strength of the pouch; during high‑temperature retorting, the substrates may shrink to varying degrees. If the corona treatment fails to achieve the desired results, the composite strength will be low, leading to delamination between the laminate layers…

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2023

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Customization Process and Considerations for Sealing Films

Customization Process and Considerations for Sealing Films

PP sealing film is widely used for product packaging and sealing in industries such as food, cosmetics, and daily necessities, accommodating a diverse range of products for every customer. Consequently, PP sealing films must be carefully matched to specific needs, taking into account factors like specifications, thickness, and functional characteristics. To meet these varied requirements, we have introduced a custom sealing‑film service...

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2023

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Freshness and convenience? Packaging innovation is driving the rapid growth of a new generation of snacks.

Freshness and convenience? Packaging innovation is driving the rapid growth of a new generation of snacks.

The global savory snacks market is projected to grow from USD 94.5 billion in 2015 to USD 138.2 billion by 2020 (GlobalData, 2016), and the definition of snacks is evolving as consumers become increasingly health-conscious. According to a Nielsen survey, in the U.S. market...

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2023

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