Unverified80% confidenceFactTime unknown
食品级铂金硅胶通过拉伸不泛白、揉搓无异味来初步辨别；普通硅胶（气相胶）拉扯会出现白色痕迹并有胶味，铂金硅胶密度更高、韧性更好
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80%
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Long-term
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Unverified食品级铂金硅胶通过拉伸测试不发白、无异味，普通硅胶折叠处会泛白，选购硅胶蒸格可通过对折检验判断材质等级89% similarUnverified硅胶折叠洗菜盆需认准食品级铂金硅胶，闻起来无刺鼻味、折叠回弹快无白痕；廉价PVC冒充硅胶的产品受热易析出增塑剂，折弯出现白色折痕即为劣质料89% similarUnverified带硅胶部件的餐具（勺柄、密封圈）需确认为食品级铂金硅胶，闻起来无刺鼻味；廉价硅胶在高温或油脂中易析出异味，可做揉搓测试——变白掉色即为劣质89% similarUnverified选硅胶垫应确认为食品级铂金硅胶而非普通工业硅胶，铂金硅胶在高温下无异味释放，可通过闻味道和撕拉不发白来初步判断89% similarUnverified硅胶铲要认准食品级铂金硅胶（platinum silicone），劣质硅胶高温下会释放异味和挥发物，判断方法是反复弯折看是否发白、有无刺鼻味86% similar
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