Definition and use of cold seal packaging film
Cold seal packaging film means that during the sealing process, only a sealing temperature of about 100°C can be effectively sealed, and no high temperature is required. It is suitable for packaging of temperature-sensitive products, such as food, medicine, cosmetics, etc. Cold seal packaging film will not reduce the nutritional value and quality of the product, so it is widely used in more and more industries.
Advantages and disadvantages of cold seal packaging film
Compared with heat sealing film, cold seal packaging film has some unique advantages and disadvantages:
Advantage:
1. Energy saving and environmental protection: Cold seal packaging film does not require high-temperature sealing, does not consume too much energy, does not produce toxic gases, waste water and other environmental pollutants, and meets the requirements of energy and environmental protection.
2. Good cutting performance: Compared with heat sealing film, cold seal packaging film has better cutting performance and is not prone to scratches and breaks, ensuring the integrity and beauty of the product.
3. Wide operating temperature range: Cold seal packaging film usually has a wide operating temperature range and can be used for packaging low- and high-temperature goods.
4. Protect product quality: Cold seal packaging film can seal substances that affect sensitivity, odor, color, etc., such as food and medicine, to protect the quality and shelf life of the product.
Insufficient:
1. Regional restrictions: The application range of cold seal packaging film is limited by the ambient temperature and is only suitable for areas with lower temperatures. Therefore, its application in areas with higher temperatures in the south is restricted.
2. Poor adhesion performance: Compared with heat sealing film, cold seal packaging film has poorer adhesion performance, and the sealing strength may not be as good as heat sealing film. Certain improvements are required to achieve the effect of heat sealing film.
Types and selection suggestions of cold seal packaging films
According to different production materials, cold seal packaging films can be divided into various types such as PET/PE, OPP/PE, etc. It can also be divided into low-temperature cold seal packaging film and high-temperature cold seal packaging film according to the scope of application. You should choose the cold sealing packaging film material suitable for your own products, and choose the appropriate type of cold sealing film based on factors such as the storage conditions and circulation method of the product.
In short, cold seal packaging film is an environmentally friendly sealing material suitable for various sensitive commodities. For beginners and industry practitioners, understanding its definition, uses, advantages and disadvantages, and type selection will not only help ensure the quality and safety of products, but also contribute to the sustainable development of the industry.
If you have any cold seal packaging film requirements, you can contact us. As a flexible packaging manufacturer for over 20 years, we will provide your right packaging solutions according to your product needs and budget.
Post time: Nov-28-2023
