Unverified75% confidenceCautionTime unknown
3M胶免打孔款不适合装在纱窗轨道或塑钢老化窗框上，塑钢老化表面掉粉会导致胶体附着力骤降，2-3个月内易脱落
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified背胶/免打孔款置物架长期承重会因胶体蠕变而缓慢下垂脱落，即便初装牢固也建议每3-6个月检查一次，或对重要位置改用膨胀螺栓；乳胶漆/墙纸/腻子墙面几乎无法用背胶承重，撕除时易带下墙皮77% similarUnverified免打孔3M胶粘式门扣仅适合承重3kg以内的临时防护，用于金属防盗门（表面喷塑）时粘性会随温差和油污衰减，半年内易脱落，长期使用仍建议螺丝固定式77% similarUnverified承载重刀（≥400g）必须选打孔安装，3M胶粘贴在潮湿油烟环境下超过6个月胶体易老化脱落导致刀具坠落，存在割伤风险76% similarUnverified自粘型密封条依赖3M级背胶，实际持久度受基材影响大：贴在光滑铝合金/塑钢上可用2-3年，贴在粗糙木框或油漆面上易脱落，木门建议选钉装式或卡槽式75% similarUnverified支架优先选玻璃纤维（玻纤）+外部套管结构而非内穿式钢丝，玻纤有弹性不易折断变形，钢丝反复开合3-6个月后易在折点断裂刺穿面料75% similar
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