Material Analysis
7 조회수
ASA density batch inspection deviation
문제 현상
ASA incoming inspection density data occasionally out of tolerance, supplier report says it is within specification, inconsistent test methods of both parties trigger quality disputes.
원인 분석
Different density test methods (immersion method, density gradient column) and specimen conditioning lead to result differences; ASA contains rubber phase, sampling uniformity affects testing; standard cited versions are inconsistent.
해결 방법
①Both parties unify test standards and method details; ②specimen conditioning conditions standardized; ③increase sampling points to improve representativeness; ④third-party laboratory arbitration in disputes.
핵심 요약
ASA incoming inspection disputes mostly originate from methods rather than materials; unified test standards are the foundation of supply chain quality management; third-party arbitration mechanism should be agreed in advance.
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