Unverified80% confidenceFactTime unknown
食品级硅胶的鉴别：拉伸时透明处不变白、拉断后回弹快、灼烧后为白色灰烬无黑烟无刺鼻味；劣质硅胶掺白炭黑，拉伸发白且有异味
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Unverified标注'食品级铂金硅胶'的产品比普通硅胶更耐黄变、无异味，可通过燃烧测试区分：铂金硅胶燃烧后为白色灰烬无黑烟异味，普通硅胶发黑有刺鼻味86% similarUnverified食品级硅胶可用'拉扯变白'测试鉴别：优质纯硅胶拉伸时不明显变白且无异味，劣质掺料硅胶拉伸发白、有刺鼻味86% 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85% similarUnverified硅胶蒸格/蒸笼需认准铂金硫化硅胶（可折叠款常见），拉扯不发白、无异味，撕拉出现白色说明是普通硅胶或含填充料，高温蒸煮可能析出84% similarUnverified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84% similar
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