The definition of plastic: mainly composed of carbon, oxygen, hydrogen and nitrogen and other organic or inorganic elements. The finished product is a solid and is a molten liquid during the manufacturing process. Therefore, it can be melted by heating and forced to flow. Cooling allows it to solidify and form various shapes. This large and varied material group is called plastic.
Plastic (English: Plastic): refers to high molecular weight synthetic resin as the main component, adding appropriate additives, such as plasticizers, stabilizers, flame retardants, lubricants, colorants, etc., processed plasticity (flexibility Properties), or rigid materials formed by curing and crosslinking.