The Glass Transition Temperature (T_g) for a Material Is

question 45

Multiple Choice

The glass transition temperature (T_g) for a material is

• A) the temperature that the polymer is unusable.
• B) the temperature that the polymer melts.
• C) the temperature above which the material is hard and brittle and the temperature below which the material is tough and rubbery.
• D) the temperature below which the material is hard and brittle and the temperature above which the material is tough and rubbery.

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