| 摘要 |
PROBLEM TO BE SOLVED: To provide a modified silicone-based sealing material excellent in long-term durability. SOLUTION: This modified silicone-based sealing material comprises an organic ultraviolet light absorbent having <390 molecular weight and an organic ultraviolet light absorbent having >=390 molecular weight or comprises a hindered amine-based ultraviolet light absorbent having <2,000 molecular weight and a hindered amine-based ultraviolet light absorbent having >=2,000 molecular weight.
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