Bag making machine plastic composition
Among them, high molecular polymer (or synthetic resin) is the main component of plastic, in addition, in order to improve the performance of plastic, but also in the polymer to add a variety of auxiliary materials, such as fillers, plasticizers, lubricants,
The plastic we usually use is not a pure substance, it is made of many materials.
Coloring agent, etc., can become a good performance of plastic.
