Flexible foam (for mattresses) is usually made of_____________________?
Correct answer: C. Polyurethanes
- A. PVC
- B. Silicone
- C. Polyurethanes
- D. Polyamides
Explanation
Flexible mattress foam is commonly produced by reacting polyols with diisocyanates to form polyurethane foam. PVC and polyamides are used for other products, while silicone foam is less usual for standard mattresses.
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