Unverified70% confidenceFactTime unknown
TPR软胶刷头长期使用后会因老化变硬变脆，判断更换时机：刷毛发黄发硬、出现异味或掉胶即需更换，无需等到明显磨损
1
Sources
70%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedTPR软胶刷头因刷毛较硬且间隙大，清洁力弱于尼龙丝，对付顽固水垢和陈年黄渍不如硬尼龙刷高效——追求卫生防菌选TPR，追求去污力选硬毛82% similarUnverified选择TPR软胶刷头而非传统尼龙硬毛刷头，TPR材质不藏污、易冲洗、干得快，尼龙刷毛缝隙易残留污渍并发黄发臭81% similarUnverifiedTPR软胶刷头清洁力弱于硬质尼龙丝，对于陈年顽固水垢和黄渍，纯软胶刷可能刷不动，需搭配洁厕剂或选软硬混合刷毛款81% similarUnverified软胶TPR刷头需定期检查是否有霉斑，虽然掉毛少但缝隙处仍可能藏污；建议每2-3个月更换或选可拆卸清洗款彻底清洁80% similarUnverified刷毛偏软导致磨损变形比标准刷头更快，实际使用寿命可能不足官方建议的三个月，需注意观察刷毛开叉程度及时更换79% similar
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