2023-06-30
First of all, in terms of packaging form, there are the following types of pet food plastic packaging bags:
1. Non-reusable plastic bags.
Ordinary three-side sealing and eight-side sealing pet food plastic packaging bags are all such pet food plastic packaging bags. Once the bag is opened, it cannot be resealed or used twice.
2. Resealable plastic bags.
Zipper packaging bags and self-adhesive bags can also be sealed for a second time after the bag is opened. Although it cannot achieve the effect of the first sealing, it can be used to prevent moisture and dust.
In terms of materials, each material has its own characteristics and is suitable for packaging different types of small food, specifically the following:
1. Ordinary pet food composite packaging bag. This kind of pet food packaging bag is generally made of PE and nylon as the main material. When compounding, choose food-grade raw material film, which can be used as most pet food packaging bags.
2. Packaging bags containing aluminum material. Generally, there are aluminum foil packaging bags, aluminized packaging bags and pure aluminum packaging bags. This type of packaging bag has excellent light-proof and moisture-proof performance, and also has excellent heat-sealing performance.
3. Some functional pet food packaging bags. Including high temperature retortable packaging bags, low temperature frozen food packaging bags, vacuum food packaging bags, etc., they all have corresponding material requirements and process requirements.