Material Analysis
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PC/ABS ultraviolet aging
Problem Phenomenon
PC/ABS used outdoors yellows and embrittles under light exposure.
Cause Analysis
The PC component is sensitive to ultraviolet, and the blend has insufficient ultraviolet stability.
Solution
Add UV absorber HALS and carbon black (black parts) to improve weather resistance.
Key Takeaway
PC/ABS outdoor use requires a dedicated weather-resistant formulation.
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