Question

Which is NOT the general characteristics of plastics?

• A. Good electrical insulators
• B. Acceptable acoustic insulation
• C. Resistant to corrosion and many chemical factors
• D. Have a high production cost

Answer 1

Answer: (D)

Have a high production cost

The properties and characteristics of most plastics (though not always fulfilled in certain special plastics) are these:

Easy to work and shape,

Have a low production cost,

Possess low density,

Tend to be waterproof,

Good electrical insulators,

Acceptable acoustic insulation,

Good thermal insulation, but most can not withstand very high temperatures,

Resistant to corrosion and many chemical factors;