The Glass Transition Temperature (Tg)for a Material Is

question 27

Multiple Choice

The glass transition temperature (Tg) 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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