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接触强碱除油剂（pH>12）的刷头应选PP或尼龙材质，天然猪鬃/植物纤维刷在强碱下会软化脱毛，寿命大幅缩短

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Unverified刷毛材质耐化学腐蚀性排序：PP＞尼龙＞天然鬃毛，接触强碱性除油剂应选PP毛刷，天然鬃毛遇碱易软化脱落84% similar Unverified使用煤油、除油剂等溶剂清洗链条时，刷毛材质须选PP（聚丙烯）或PA尼龙，避免天然猪鬃或PBT材质，后者遇强溶剂易变形脱毛83% similar Unverified刷毛材质耐化学腐蚀性排序：PP>尼龙>猪鬃，配合清洁剂使用时PP毛不易变形脱落，猪鬃遇酸性清洁剂易软化82% similar Unverified护毛素与洗毛液最好同品牌同系列配套使用，因洗毛液pH和表活体系会影响护毛素阳离子成膜——酸性洗毛液后用碱性护毛素易产生沉淀残留77% similar Unverified刷毛为尼龙材质，耐常见链条除油剂和清洁溶剂，不易变形，但长期接触强腐蚀性溶剂仍会加速老化76% similar

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