Palladium is added to polyvinyl siloxane to_____________?
Correct answer: C. Act as a scavenger
- A. Acts as plasticizer
- B. Helps as surfactant
- C. Act as a scavenger
- D. Acts as a catalyst
Explanation
Palladium absorbs the hydrogen released during the setting reaction of some addition silicones, acting as a scavenger and preventing hydrogen bubbles in the impression or cast. It is not the polymerisation catalyst.
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