The use of supermarket shopping bags is very common in life. Whether it is shopping or storage of items in the home, we use plastic bags. Yingkou supermarket bags, but the current plastic bags are not well-understood because of the variety of them, so there are still many problems. Today we will talk about the choice of supermarket shopping bags, people have to know a few small things.

The use of plastic bags to hold food products is the most common method used in many small stalls. How to choose plastic bags for such foods? The first plastic bag containing food such as hot food should not have color, and it must have a certain degree of firmness, so as to better protect people's health. The second is to buy plastic bags of such foods, merchants should go to a regular wholesale store to buy, choose plastic bags with quality requirements.

The plastic bags we use at home are selected according to different plastic bags. The thickness of the plastic bags is different for the weight of the items they can hold. In the dressing of heavier items, it is better to choose a better plastic bag for dressing, or to take a few plastic bags. These seemingly simple ways can actually bring us effective safety. Guarantee. When the plastic bag is idle or damaged, don't rush to throw it away. It can be used as a garbage bag to carry garbage. This is also a good waste utilization method.

       At present, the usage and utilization rate of plastic bags in our lives are still very high. As one of the essential items in our lives, plastic bags bring a lot of convenience to our lives. However, if you want to better use the plastic bags in your hands and make them better for your life, then we should learn more about the use of many plastic bags.

Commonly used food plastic bags are mostly made of polyethylene film, which is non-toxic and can be used for food. There is also a film made of polyvinyl chloride, which is also non-toxic, but the additives added according to the use of the film are often harmful to the human body and have certain toxicity. Therefore, such films and plastic bags made of the film are not suitable for holding food. To identify PVC plastic bags and polyethylene plastic bags, the following simple method can be used for identification.

1. Polyethylene film (non-toxic)

The film is milky white, translucent (especially obvious when several layers are stacked), it is more lubricious to the touch, as if the surface is coated with a wax layer, it is hard to shake, the sound is brittle, it is flammable in flame, the flame is yellow, and there is sticky droplets when burning. And have the smell of a candle burning.

2. Polyvinyl chloride film (generally toxic)

If no pigment is added, it is transparent. It feels sticky on the surface, it is hard to shake, the sound is low, it is not easy to burn in case of fire, it is extinguished from the flame, and the flame is green.