Write a short note on plastics.
Answers
Answer:
plastic is a material that can change its shape. Many things are made of plastics, usually because making them to the right shape is easy. ... Most of the materials that are called plastic are polymers. Polymers are long chains of atoms bonded to each other.
Answer:
Plastic has become an inseparable and integral part of our lives. The amount of plastics consumed annually has been growing steadily. Its low density, strength, user-friendly designs, fabrication capabilities, long life, low weight and low cost are the factors behind such phenomenal growth.
Plastic waste is very visible as it contributes to a large volume of the total solid wastes. Precisely because of their large visibility plastic wastes have been viewed as a serious solid waste problem.
Explanation:
Advantages
Extreme versatility and ability to be tailored to meet specific technical needs.
Lighter weight than competing materials reduces fuel consumption during transportation.
Good safety and hygiene properties for food packaging.
Durability and longevity
Disadvantage
Plastics production also involved the use of potentially harmful chemicals which are added as stabilizers or colourants. Many of these have not undergone environmental risk assessment and their impact on human health and the environment is currently uncertain.