Material Drying
4 조회수
Medium Matching in LCP Chemical Resistance Applications
문제 현상
【Problem Phenomenon】After LCP products contact certain chemicals, surface changes or performance decline occur
원인 분석
LCP resists hydrolysis, weak acids and alkalis, and most chemicals such as alcohols, aromatic hydrocarbons, chlorinated hydrocarbons, esters and ketones, but concentrated strong acids and alkalis and specific media can still attack it; the MEMS textbook gives a clear list of resistant media
해결 방법
Check the use environment against the MEMS resistant media list; for occasions contacting concentrated strong acids and alkalis, switch to other fluoromaterials; do medium immersion verification before finalizing material selection; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
LCP's chemical resistance spectrum is broad but has boundaries; immersion verification must be done first in strong acid and alkali occasions; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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