GB/T 17037.5-2020.Plastics- Injection moulding of test specimens of thermoplastic materials-Part 5: Preparation of standard specimens for investigating anisotropy.GB/T 17037.5规定了用于注塑长方板形试样以获取单点和多点数据的模具(F型GB/ISO模具),最小试样尺寸为≥90 mmX80 mm,首选尺寸为120 mmX80 mm,首选厚度为2 mm。已发现该尺寸试样可提供z大的各向异性特性,且仅对注射速率有轻微的敏感性。使用两型腔模具是?..................
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