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Jiangsu Great Packing Co., Ltd

Contact: Manager Wei

Phone: 0518-85269868

Mobile phone: 18661259291

WeChat: 18661259291

Email: jsgdbz@163.com

website: www.jsgdbz.com

Address: No. 6 Puxi Road, Xinpu Economic Development Zone, Haizhou District, Lianyungang City, Jiangsu Province

How to determine the sealing and safety of aluminum foil steaming bags?

2025-03-28 09:13:13
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Aluminum foil steaming bag is a common food packaging material used for heating or steaming food in a microwave or oven. To ensure the safety and quality of food, sealing is a very important aspect. Here are the methods to determine the sealing and safety of aluminum foil steaming bags:


1. Appearance inspection: Firstly, check whether the appearance of the aluminum foil steaming bag is complete, without obvious tearing, perforation or damage. If the bag is damaged in any way, it cannot be used anymore as this may result in incomplete packaging, affecting the quality and safety of the food.


2. Touch test: Gently press the sealed part of the bag to see if any air escapes. If the sealing is good, the surface of the bag should be flat, without bubbles or gaps. In addition, the sealing part should feel firm and free from any looseness.

高温蒸煮袋

3. Odor detection: Open the bag and smell the odor inside. If there is any odor or pungent smell, it may be due to poor sealing causing food spoilage, or the bag itself not meeting hygiene standards.


4. Water bath test: Place the bag into a sink filled with water and observe if any air bubbles out. If bubbles emerge, it indicates poor sealing of the bag, and food may be contaminated during heating or steaming.


5. Hot box test: Place the bag into a preheated oven or microwave for heating or steaming, and observe whether the sealed part will crack or loosen. If there is a problem with the bag during the heating process, it may lead to cross contamination between food and packaging materials, affecting the safety of food.


In summary, determining the sealing and safety of aluminum foil steaming bags is a comprehensive consideration process that requires testing through various means such as appearance, touch, odor, water bath, and hot box testing. Only by ensuring good sealing of the bag and preventing contamination during the food heating process can we guarantee the safety and quality of the food. I hope the above methods are helpful to you.


Jiangsu Gengda Packaging Co., Ltd. is a professional manufacturer of cooking bags that integrates research and development, production, and sales of composite flexible packaging. The company was established in 1997 with over 20 years of production experience and is located in Lianyungang, the eastern gateway of the New Eurasian Continental Bridge. In recent years, the company has invested in the construction of an international D-level standard 100000 level purification workshop, covering an area of 20 acres, only 20 kilometers away from Lianyungang Baitabu Airport and 35 kilometers away from Lianyungang Port, with convenient transportation.

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  • Jiangsu Great Packing Co., Ltd

    Mobile phone: 18661259291

    Mobile phone: 18036689109

    Email: jsgdbz@163.com

    Address: No. 6 Puxi Road, Xinpu Economic Development Zone,
    Haizhou District, Lianyungang City, Jiangsu Province


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