write any four properties of plastics
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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.
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Answer:Plastic as structural material has not gained much popularity because of the following reasond.
High cost of construction
High temperature susceptibility
Poor stiffness
Being subjected to creep under constant load
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