Cold cure acrylic expand in water by___________?
Correct answer: A. 1% by volume 0.23% by weight
- A. 1% by volume 0.23% by weight
- B. 10% by volume 0.23% by weight
- C. 0.1% by volume 0.23% by weight
- D. None of the above
Explanation
Water sorption by cold-cure acrylic produces dimensional expansion, conventionally quoted as about 1% by volume and 0.23% by weight in this formulation. This water uptake is one reason acrylic denture bases can show dimensional change in service.
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