what do you mean by plastic? How are plastic made?name the some common plastic.
Answers
Answer:
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. ... Plastics typically are made through human industrial systems.
Answer:
Plastics is the term commonly used to describe a wide range of synthetic or semi-synthetic materials that are used in a huge and growing range of applications. ... The term ''plastic'' is derived from the Greek word ''plastikos'', meaning fit for moulding.
Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt and, of course, crude oil.
some common names of plastics are as follow:-
1. Polyethylene Terephthalate (PET) ...
2. High Density Polyethylene (HDPE) ...
3. Polyvinyl Chloride (PVC) ...
4. Low Density Polyethylene (LDPE) ...
5. Polypropylene (PP)