Qingdao Haide Packaging Co., Ltd. is one of the most professional manufacturers and suppliers of clear retort pouch in China. If you're going to wholesale high quality clear retort pouch with advanced design, welcome to get quotation from our factory. Customized orders are welcome.
Description
As people's requirements for snack foods are getting higher and higher, how to produce pure flavor, longer storage time and easier storage and carrying of flavored foods is a problem that every R&D department of food factories considers. With the increasing sophistication of high-temperature cooking flexible packaging, food research and development has also been brought to a new field, the most obvious is the use of aluminum foil-containing Clear Retort Pouch.
Precautions
Pay special attention to the ink used in Clear Retort Pouch. Choose a two-liquid polyurethane ink with good temperature resistance and add a curing agent. Otherwise, since the free hydroxyl groups in the ink consume a part of the curing agent, there is not enough curing agent and the main agent to react, so that the adhesive layer cannot be completely cured. Lighter after cooking, the peel strength is low, and the adhesive layer is back-adhesive; in severe cases, the ink layer and the aluminum foil are layered, which affects the appearance of the package and the barrier property.
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