Molding Process
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UV Stability of PCTG Products
Problem Phenomenon
PCTG products used outdoors yellow and their performance declines under ultraviolet radiation.
Cause Analysis
PCTG is sensitive to UV and lacks light stabilizer protection, and photo-oxidative degradation occurs.
Solution
Add UV absorbers and HALS; use UV protective coatings; avoid long-term outdoor exposure.
Key Takeaway
PCTG for outdoor use requires light stabilization treatment.
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