Unverified83% confidenceDecision RuleTime unknown
厚度超过3mm的胶层UV光难以穿透到底部，一次固化会出现表干底不干，应分层多次固化，或改用双固化胶保证深层固化
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
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UnverifiedUV固化胶只能固化光照到达的表面，深填或不透明遮挡区域（如背面、深缝底部）会因光照不足产生未固化夹层，深度填充应分层薄涂逐次固化或改用环氧AB胶81% similarUnverifiedUV胶固化时体积收缩率一般3-8%，收缩会产生内应力导致薄玻璃/镜片开裂或粘接面翘边，光学/脆性件选低收缩(<3%)的改性型号80% similarUnverifiedUV胶需要紫外光照射才能固化，粘接不透光基材（金属对金属、深色塑料）时光照进不去，胶层会永远保持液态，此类场景应改用双固化(UV+湿气固化)胶或AB胶80% similarUnverified深色/贴膜玻璃修复时UV透过率下降，固化时间需延长或从内侧无膜面照射，否则膜层遮挡紫外导致胶层深处不固化79% similarUnverifiedUV固化胶膜贴合最牢、透光最好且完美贴合曲面，但需倒胶+紫外线灯操作、胶水可能溢入听筒/侧键、揭膜困难，新手和曲面屏之外的机型不建议选UV膜77% similar
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