Molding Process
4 조회수
PESU Chemical Resistance Boundary
문제 현상
PESU resists water vapor, boiling water, and inorganic acids, but does not resist polar solvents such as acetone and chloroform.
원인 분석
PESU resists water vapor, boiling water, inorganic acids, aliphatic hydrocarbons, detergents, and certain alcohols; but performs poorly with polar solvents such as acetone and chloroform; stress cracking risk; use caution.
해결 방법
①Avoid contact with polar solvents; ②medium compatibility verification; ③stress management; ④use environment evaluation.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
PESU chemical resistance has clear boundaries; polar solvents are taboo; verification prevents failure.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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