Polybag Factory Teach You How to Choose A Good Polybag
With the concept of low-carbon environmental protection becoming the main theme of society, many fields are practicing low-carbon environmental protection, so is the field of packaging materials. Rigid plastic packaging (waterproof bag) is loved by consumers and packaging manufacturers. Keep up with the theme of low carbon, and work hard on packaging plastic materials. Degradation packaging came into being. In order to control the pollution of plastic waste to the ecological environment, degradation plastic came into being and became a global research and development hotspot.
The back plastic bag is made of polyethylene, which is often called plastic. These materials are non-toxic, tasteless and will not cause any damage to human body. However, some unscrupulous businesses are greedy for small profits and use PVC as the material for making back plastic bags. If the material is exposed for a long time, it will affect the health of the body. Next, the bag factory will introduce how to select good quality bags:
How to select good quality back plastic bags
1. According to the sound judgment, shake the back plastic bag with your hands. If you make a clear sound, it is of good quality. On the contrary, if the voice is very dull, consumers should be cautious when using it.
2. According to the appearance judgment, after the bag is bought, you can touch its surface with your hand. If it is smooth and delicate, it means the quality is very good.
3. Combustion method: the high-quality gum bag is very flammable, and it will give off stone cured meat when burning. Poor quality is not easy to burn, but also gives off an unpleasant smell.
4. Prepare a basin to invite water, then put the back plastic bag into the water, press it to the bottom of the basin with your hand, release your hand after 1 minute, if it can float on the water surface, it is non-toxic, if it sinks to the bottom, it is toxic, and cannot be used.
In addition to the bad quality of the bag, it is easy to be damaged in the transportation process, so we must be careful when choosing.