During polymerisation of acrylic resin, above what temperature benzoyl peroxide form free radicals?
25°C
37°C
45°C
60°C
The most commonly employed initiator is benzoyl peroxide, which is activated rapidly between 50°C and 100°C to release two free radicals per benzoyl peroxide molecule.
Reference: PHILLIPS’ SCIENCE OF DENTAL MATERIALS, 12th ed page no 101