Material Analysis
4 مشاهدة
ASA density batch inspection deviation
ظاهرة المشكلة
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.
تحليل الأسباب
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.
الحل
①Both parties unify test standards and method details; ②specimen conditioning conditions standardized; ③increase sampling points to improve representativeness; ④third-party laboratory arbitration in disputes.
الخلاصة الأساسية
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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