Material Drying
4 조회수
PA6 Medical Application Restrictions
문제 현상
PA6 medical devices crack and deform after sterilization, especially severe with high-temperature steam sterilization
원인 분석
PA6's hygroscopic characteristic causes water absorption, swelling, and hydrolysis during steam sterilization, and strength and dimensions become uncontrolled after repeated sterilization; medical scenarios have higher requirements for material batch consistency
해결 방법
①For scenarios requiring steam sterilization, switch to hydrolysis-resistant grades or other materials; ②single-use products are verified for single sterilization; ③medical-grade grade batch traceability management; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
PA6's hygroscopic nature limits its medical sterilization applications; hydrolysis-resistant grades and usage count limits are feasible compromise paths; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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