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If ABS is exposed to UV light for a long time, what happens to its properties?

medium📝 Analysis Q5 of 15
3D Printing - Materials for 3D Printing
If ABS is exposed to UV light for a long time, what happens to its properties?
AIt becomes more flexible
BIt melts at a lower temperature
CIt degrades and becomes brittle
DIt gains water resistance
Step-by-Step Solution
Solution:

  1. Step 1: Recall ABS reaction to UV exposure

    ABS tends to degrade under UV light, causing it to lose strength and become brittle.

  2. Step 2: Evaluate options against known effects

    Flexibility and melting point do not improve; water resistance is not gained by UV exposure.

  3. Final Answer:

    It degrades and becomes brittle -> Option C

  4. Quick Check:

    UV exposure = Brittleness [OK]
Quick Trick: UV light makes ABS brittle over time [OK]
Common Mistakes:
MISTAKES
  • Thinking UV makes ABS flexible
  • Assuming UV lowers melting point
  • Believing UV improves water resistance

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