Molding Process
13 조회수
PEI stress cracking after contacting organic solvents
문제 현상
PEI products crack when contacting solvents such as ketones and chlorinated hydrocarbons
원인 분석
PEI is sensitive to certain organic solvents (limited solvent resistance); residual internal stress of the product and the solvent produce a synergistic attack effect
해결 방법
Avoid PEI products contacting sensitive organic solvents; anneal products to reduce residual stress; select PEI grades with higher solvent resistance
핵심 요약
Chemicals in the use environment need to be evaluated for compatibility with PEI
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