Regarding the choice of PVC cling film, you need to pay attention to the following aspects:

1. understanding of the basic characteristics of PVC cling film

PVC cling film is a kind of plastic packaging material widely used in homes and commercial places. It has good anti-oxidation, waterproof, moisture-proof, mildew-proof and fresh-keeping properties. It can effectively isolate oxygen and moisture and protect food from oxidation and decay.

Key Points of 2. Selection of PVC Fresh-keeping Film

1. Material quality: It is very important to choose high-quality PVC materials, because the quality of the materials directly affects the performance and safety of the cling film. High-quality PVC cling film should have excellent flexibility and stretchability, and be non-toxic and harmless.
2. Thickness: The thickness of the cling film is also one of the factors to be considered when choosing. Thicker cling film can better protect food and prevent the penetration of oxygen and moisture.
3. Safety: Ensure that the selected PVC cling film meets the national food safety standards and does not contain harmful substances, such as heavy metals and plasticizers.
4. Functionality: Choose PVC cling film with special functions according to needs, such as products with antibacterial, anti-mildew, anti-ultraviolet and other characteristics.
5. Brand reputation: choose well-known brands and good reputation of PVC cling film, can ensure product quality and safety.

3. compare different brands and types of PVC cling film

When purchasing PVC cling film, it is recommended to compare different brands and types of products, and pay attention to the differences in performance, price, and safety. You can get more information by viewing product descriptions, user reviews, professional reviews, and more.

Precautions for 4. use of PVC cling film

1. Check before use: check whether the plastic wrap is damaged or cracked before use. If there is any abnormality, please do not use it.
2. Scope of application: Understand the scope of application of the selected PVC cling film and avoid using it in unsuitable occasions.
3. method of use: in accordance with the correct method of use of plastic wrap, such as the right amount of smearing seasoning, to avoid too tight package.
4. Storage method: Store the plastic wrap in a dry and ventilated place, avoid direct sunlight and high temperature.

5. contrast with other materials of fresh-keeping film

Compared with other materials of cling film, such as PE, PVC-free, etc., PVC cling film has advantages in some aspects. For example, PVC cling film has good water resistance and oil resistance, suitable for packaging greasy food. However, PVC cling film may contain substances harmful to the human body, such as phthalates, so special attention should be paid when choosing.

6. Industry Trends and Developments

With the improvement of people's awareness of food safety and environmental protection, environmentally friendly, non-toxic, biodegradable plastic wrap is becoming more and more popular. In the future, the PVC cling film industry may develop in a more environmentally friendly and safe direction, and develop more products with special functions to meet the needs of consumers.

7. summary and suggestions

When choosing PVC cling film, we should pay attention to material quality, thickness, safety, functionality, brand reputation and so on. Consumers are advised to pay attention to the development trend of the industry and choose environmentally friendly and safe products that meet their needs. At the same time, when using PVC cling film, attention should be paid to the use method and storage method to ensure food safety and hygiene.

8. FAQ

1. Is PVC cling film safe?
Answer: It is safe to choose PVC cling film that meets the national food safety standards, but you need to pay attention to avoid buying inferior products.
2. Can PVC cling film come into contact with food?
Answer: High-quality PVC cling film can be in contact with food, but you need to pay attention to the method of use and scope of application.
3. PVC cling film can be heated?
Answer: Some PVC cling films can withstand lower temperature heating, but avoid using them at high temperatures. It is recommended to consult the product description for accurate information.