Batch Qualification Procedure for Tensile Strength, Elongation and Specific Gravity of Polytetrafluoroethylene (PTFE) Resins, Virgin, Modified, Pigmented and Filled Compounds Used for Compression Molding
用于压缩成型的聚四氟乙烯（ptfe）树脂 维生素 改性 着色和填充化合物的拉伸强度 伸长率和比重的批次鉴定程序