Material Analysis
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Glass Fibre fast thermal aging
Problem Phenomenon
Glass Fibre product after aging at 80°C for 7 days mechanical properties drop >30%
Cause Analysis
Glass Fibre molecular chains break and degrade under thermal oxidation; antioxidant system incomplete, protection insufficient
Solution
1) Improve antioxidant system 1010+168+DSTDP; 2) select high molecular weight grade; 3) add metal deactivator 0.05wt%
Key Takeaway
Thermal aging is caused by thermal oxidation; improving antioxidant system is key
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