Material Analysis
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POE outdoor weather resistance poor
Problem Phenomenon
POE outdoor 6 months cracking, mechanical properties drop 50%
Cause Analysis
POE polyolefin backbone UV unstable, photo-oxidative degradation
Solution
1) UV-327 0.5-1wt%; 2) HALS-770 0.2-0.5wt%; 3) 1010+168 0.3wt%; 4) Surface co-extrusion weather-resistant layer 0.1mm
Key Takeaway
POE outdoor requires UV+HALS+antioxidant triple protection
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