Introduction

Many people are not familiar with food safe packaging, but can we trust the use of heat shrink film in food packaging? Can heat shrink film extend the freshness of food? Which heat shrink films are suitable for food packaging? Commonly seen food items in the market are often packaged using shrink film, such as fruits, vegetables, beef, pork, baked goods, and pizzas in supermarkets. Today, we will delve into the use of food safe shrink film and emphasize the importance of safe food packaging.

What is food safe shrink film?

Food grade shrink film is a specially designed material used for food packaging, typically made of food-grade polyolefin, ensuring that no harmful substances are released when in contact with food, guaranteeing food hygiene. Additionally, polyolefin shrink film does not produce toxic substances during the shrinking process, which is much better compared to polyethylene. It can also be in direct contact with food.

What is the most suitable shrink packaging for food safety?

The most suitable shrink packaging for food safety should be shrink film made of food-grade polyolefin material, which possesses excellent food safety properties and does not contaminate or have harmful effects on food.

Are cling film and heat shrink film the same?

Although both cling film and heat shrink film are used for food packaging, their principles and functions differ. Cling film is mainly used for simple packaging and preservation, while heat shrink film, through heat-induced shrinkage, can better wrap food, providing superior sealing and preservation effects. Generally, cling film is suitable for everyday household use, without the need for heat shrink packaging, which is more commonly used in supermarkets and factories.

What are the benefits of food-grade polyolefin shrink film?

POF polyolefin shrink film has multiple advantages, including direct food contact, eco-friendly properties, non-toxicity, odorlessness, heat resistance, cold resistance, strong tensile strength, and easy shrinkage, ensuring the safety and hygiene of food during packaging. There is a wide selection of POF shrink films on the market, typically priced around $100 to $300 per roll, making them very cost-effective.

Can food shrink film keep food fresh?

Yes, food shrink film can effectively maintain the freshness of food. Well-sealed shrink film can effectively isolate air, delaying the oxidation and spoilage of food, thereby extending the shelf life of food. Therefore, when purchasing agricultural products, it is advisable to choose products that use polyolefin shrink film and remember to inquire in advance with the salesperson.

Can food shrink film extend the shelf life?

Using appropriate food shrink film can effectively extend the shelf life of food, prevent food from being affected by external environmental factors, reduce the likelihood of food spoilage and contamination, and ensure food quality and safety.

Can PVC heat shrink film be used for food packaging?

PVC heat shrink film is generally not recommended for food packaging as PVC material may release harmful substances, posing potential risks to food and human health. To ensure food safety, it is recommended to choose food-grade polyolefin shrink film for food packaging.

What types of food-grade heat shrink films are available?

There are various types of food-grade heat shrink films, including polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), and other materials, which can be selected based on different packaging needs. If direct contact with food is required, then polyolefin is the preferred choice.

FAQ

Q: What is food-grade cling film?

A: Food-grade cling film refers to cling film that meets food safety standards, being non-toxic and odorless, suitable for direct food contact.

Q: Do shrink packaging require a heat gun?

A: Yes, for heat shrink film packaging, a heat gun is typically needed to heat the shrink film and achieve the packaging effect.

Q: Are shrink bags safe for food?

A: Shrink bags made of food-grade materials are safe for food packaging. However, it is important to ensure that the materials comply with food safety standards to guarantee the safety of the food.