Multiple choice

Which among the following is a group of self-extinguishing materials?

  1. Polysiloxane

  2. Polycarbonates

  3. Polysulfides

  4. Polyether
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Polycarbonates are transparent, self-extinguishing materials. They possess properties like crystalline thermoplasticity, high impact strength, good thermal and oxidative stability. They can be used in machinery, auto-industry and medical applications. For example, the cockpit canopy of F-22 Raptor is made of high optical quality polycarbonate.

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