Question 271 (part 2) · LDEK · Impressions and impression materials
Indicate activator of polyvinylsiloxane materials:
- A. chloroplatinate acid.
- B. polyhydrogen acid.
- C. hydrogen siloxane.
- D. vinylsiloxane.
- E. polymethyl vinyl silane.
Hint
Addition silicones set by hydrosilylation, a reaction that requires a noble-metal catalyst.
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