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Q. 1) Differentiate .
1) Thermoplastics and Thermosetting plastics.
2) Write the properties of plastics.
3) Write the uses of plastics.
Answers
Answer:
1.The primary physical difference is that thermoplastics can be remelted back into a liquid, whereas thermoset plastics always remain in a permanent solid state. Think of thermoplastics as butter – butter can be melted and cooled multiple times to form various shapes.
2.Properties of Plastic. Plastics are generally low cost, easy to manufacture, durable, strong for their weight, electrically and thermally insulative, and resistant to shock, corrosion, chemicals, and water.
3.Plastics is versatile, hygenic, lightweight, flexible and highly durable. It accounts for the largest usage of plastics world wide and is used in numerous packaging applications including containers, bottles, drums, trays, boxes, cups and vending packaging, baby products and protection packaging.
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