Unverified80% confidenceFactTime unknown
鉴别真食品级硅胶：用力扭折表面不出现白色痕迹（无白化），说明纯度高；出现白痕则掺有填充料，耐用性和安全性较差
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Unverified鉴别真硅胶：用力扭曲拉伸模具边缘，纯硅胶不会泛白，掺入填料的劣质品扭曲处会出现白色痕迹89% 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88% similarUnverified食品级铂金硅胶做扭曲测试不发白、无析出物；普通硅胶弯折处会泛白，出现白痕说明含填料，长期接触食材不安全87% similarUnverified不建议购买价格极低的无认证硅胶盖，劣质硅胶常掺入工业硅胶或填充剂，鉴别方法：白色扭曲测试（拉伸后出现白痕）说明填充物多，纯硅胶扭曲不变色87% similarUnverified颜色鲜艳的低价三无硅胶产品可能添加过量填充剂，鉴别方法：用力扭捏出现白色痕迹或有刺鼻气味的为劣质硅胶，不建议接触辅食86% similar
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