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Genuine vs Fake TPU Paint Protection Film (PPF)10
资质质保 + 专业检测核验（最终兜底判定） | Warranty Credentials & Professional Testing (Final Verification Standard)
中文：正品标配品牌官方可查询电子质保，录入车架号、膜卷编号，年限可查；仅口头承诺无线上质保的一律存疑 English：Genuine products come with officially verifiable electronic warranty registered with VIN and film roll serial number. Be skeptical of sellers offering only verbal promises without online warranty.
8/10/20261 min read
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中文：正规产品外包装标注：脂肪族 TPU、材质成分、厚度、SGS 质检报告、海关报关单；三无包装、只标注 “隐形车衣” 不写基材的多为假货
English：Formal packaging must mark: Aliphatic TPU, material composition, thickness, SGS test report and customs declaration. Products with unbranded packaging labeled only “PPF” without base material specification are mostly counterfeit.
中文：精准判定：送第三方机构做红外光谱检测，可直接测出分子结构，彻底分辨 TPU/TPH/PVC 基材种类
English：Precise Identification: Send samples to a third-party lab for FTIR spectroscopy test. It detects molecular structure to fully distinguish TPU / TPH / PVC base materials.
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