This post will introduce you with in depth knowledge on the food packaging lids to help you choose.
You can also let us recommend suitable types of lids to fit for your requirements at direct factory cheap price.
What is Aluminium foil container lids
Aluminum Foil container lids is a cover specially designed for foil containers, it is made of high-quality material to seal the food containers.
It has a variety of characteristics and can meet different usage needs.
Why we need lids for aluminum foil pans and containers
The main functions of aluminum foil container lids include the following aspects:
Freshness preservation and protection: The aluminum foil container lid has a strong air barrier ability, which can effectively prevent food oxidation, waterproof and moisture-proof, thereby maintaining the freshness and taste of food. It can also prevent food from rotting and ensure food safety and hygiene
Mechanical properties: The aluminum foil container lid has excellent mechanical properties, which can resist explosion, puncture and tearing, and protect food from damage during transportation and storage. This high-strength protective performance allows the aluminum foil container lid to maintain good integrity in various environments
Wide temperature resistance range: The aluminum foil container lid can withstand high temperature (121℃) and low temperature (-50℃), and is suitable for various temperature environments. In addition, it is oil-resistant and has good aroma preservation properties, ensuring that the taste and aroma of food are not affected
Environmental protection and sustainability: Aluminum foil materials can be recycled, and the impact on the environment during manufacturing and processing is small. Using aluminum foil container lids helps reduce the demand for plastic products and protect the environment.
Convenience: The aluminum foil container lids are easy to use and carry. They are disposable and do not need to be cleaned, making them quick and convenient. Their light and thin design does not take up extra storage space, making them suitable for carrying out or using in fast food restaurants.
Food container lids types
Here are the most common lids types for food containers.
OPS heat shrink film
OPS (oriented polystyrene) heat shrink film is an environmentally friendly skin-fitting packaging material with the advantages of high transparency, certain hardness, and resistance to deformation and breakage.
However, it will deform once heated above 40 degrees. Therefore, it is not recommended for hot food or soup, oil and water containing high temperature. For colorful meals or room temperature and low temperature foods, OPS heat shrink film is a good choice.
PP plastic cover
PP (polypropylene) plastic cover is made of PP5, which is recyclable, has a certain degree of transparency, good heat resistance, and will not deform below 120 degrees.
As a matching plastic cover for aluminum foil containeres, it is usually thickened, and several raised bayonet holes are attached to the inner edge of the sealing ring, which has strong sealing.
For meals containing a small amount of soup or hot oil, the PP plastic cover can effectively prevent leakage and breakage, and is a versatile sealing cover.
Aluminum foil lids
Aluminum foil sealing film is the "golden partner" of aluminum foil containeres. It is made of pure aluminum, with exquisite appearance and delicate touch.
It can withstand high temperatures of 260 degrees, which is an important quality that other sealing options do not have. The aluminum foil sealing film has extremely strong sealing properties.
The use of hot pressing technology ensures the strong adsorption of the seal, and it is not easy to break or leak during the delivery process. For high-temperature, high-oil, and soupy meals, aluminum foil film is the only choice.
What is foil trays lids price
The price of aluminum foil pan lids ranges from about $0.05 to $0.18. The specific price depends on different suppliers and product specifications.
For example, some suppliers offer prices as follows:
The price of bottom box + PP cover is $0.13
The price of bottom box + film cover is $0.12
The price of container + aluminum foil cover is $0.07
These prices are based on large-volume purchases (at least 500 sticks). If your order quantity is smaller, the price may be different.
How to choose food container lids
The material of the food container lid should be selected according to specific needs. If you want to be light, easy to carry and economical, plastic is a good choice;
if you value durability and environmental protection, aluminum foil lids is recommended as it is more durable in high temperature.
Our aluminum foil containeres usually have two types of covers: PP cover and aluminum foil sealing film.
The price difference is not much. The only thing you need to pay attention to is that you need to buy a sealing machine separately when sealing with aluminum foil film.
The sealing machines are also different for boxes of different capacities and shapes.
PP cover: PP is polypropylene, with a melting point of 160-175℃ and a decomposition temperature of 350℃.
It is the only plastic product that can be put into a microwave oven and can be reused after cleaning. This type of cover is suitable for all kinds of food, whether it is cooking or packing soup, but it is not 100% impossible to prevent soup from spilling when packing it.
You can choose aluminum foil to seal it, so it will not spill no matter how you put it.
Aluminum foil cover: Aluminum foil cover has many advantages, such as: strong air barrier performance, anti-oxidation, waterproof, moisture-proof;
Strong mechanical properties, high explosion resistance, strong puncture and tear resistance;
High temperature resistance (121℃), low temperature resistance (-50℃), oil resistance, good fragrance retention; non-toxic and tasteless, standard;
Good heat sealing performance, softness, high barrier performance;
Protect food from being non-perishable, healthy, hygienic, safe, easy to carry, etc.
However, if you use aluminum foil cover, you need to use aluminum foil sealing machine
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