Unverified85% confidenceCautionTime unknown
SJ3550 为背胶款，背胶在低温或潮湿表面附着力会明显下降，若用于户外或冷库等低温场景，应优先考虑机械固定（螺钉/铆钉）方案而非依赖背胶。
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85%
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Long-term
Relevance
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