Molding Process
15 مشاهدة
PEI stress cracking after contacting organic solvents
ظاهرة المشكلة
PEI products crack when contacting solvents such as ketones and chlorinated hydrocarbons
تحليل الأسباب
PEI is sensitive to certain organic solvents (limited solvent resistance); residual internal stress of the product and the solvent produce a synergistic attack effect
الحل
Avoid PEI products contacting sensitive organic solvents; anneal products to reduce residual stress; select PEI grades with higher solvent resistance
الخلاصة الأساسية
Chemicals in the use environment need to be evaluated for compatibility with PEI
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