Question

write four properties of plastics that make them popular for making different objects.​

Answer 1

Answer:

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.

Explanation:

MAIN PROPERTIES OF PLASTICS

Most plastics are light, chemically stable and do not rust.

Good impact resistance.

Good transparency and wear resistance.

Good insulation, low thermal conductivity.

General formability, good coloring, low processing cost.

Most plastics have poor heat resistance, high thermal expansion rate and easy combustion

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Answer 2

Answer:

1) Plastic is chemically unreactive .

2) Plastic do not react with water & air .

3) They do not conduct heat & electricity .

4) Plastic can be mould different shapes .

Explanation:

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