With the improvement of people's living standard and the development of social industry, a variety of food appears in the market, bringing people multiple choices. These foods are usually packaged in plastic packaging. Plastic film raw materials need to be sealed to achieve container structure so as to carry on the follow-up packaging of food. The width of the edge and the heat sealing strength are important factors affecting the lifting tension and practicality of the packaging bag. So, how much is the width of the edge of the plastic bag?
Custom plastic bags, people used to use "gram weight" to express the size of plastic bags, such as 50g snack bags, 1000g rice bags and so on, but this expression is not accurate, because each commodity shape is different, different gravity, only the weight unit to express the size of plastic bags is not accurate. The most accurate measurement should be the size, the first need to clear the packaging size of the plastic bag, and then determine the size of the edge.
Generally speaking, three-side sealed plastic rice bags, vacuum bags, four-side sealed plastic rice bags, vacuum bags and other bag types, the width of the edge is about 1-3CM is appropriate, the specific value needs to consider the capacity of plastic bags, aesthetic degree, etc.
For rice bags and vacuum bags that need to be added with hand-held buttons or punch holes, the width of the side with hand-held buttons should be increased correspondingly, and the width of the other sides can be unchanged.
When customizing the packaging, you need to inform the manufacturer of the size and use of the packaging bag in advance. The manufacturer will have professional personnel to calculate the width of the edge of the packaging bag for you to ensure that it is suitable for your products. At the same time to inform whether the provided size includes the edge size, if you can not determine the edge size, the manufacturer to give you advice based on experience, can also provide you with free samples.