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3 cards from this section. Quick, good the night before a test.
What is the main purpose of chemical resistance tests?
Think about the importance of material durability.
Name one type of chemical used in resistance testing.
Recall the examples discussed.
What do chemical resistance tests measure?
Remember that multiple properties are assessed.
True or False: Chemical resistance tests are only necessary for thermosetting plastics.
Think about the various plastics used.
You perform a chemical resistance test on a plastic, and it shows a 20% mass loss after two weeks in a strong acid, but no dimensional change. Discuss the implications for its use in a chemical storage application.
Think about what mass loss signifies.
If you were to design a new plastic intended for outdoor use, which chemical resistance tests would you include, and why?
Consider the outdoor elements the plastic will face.
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