The International Organization for Standardization ( ISO) has specified the determination of the viscosity number in dilute solution of methyl methacrylate ( MMA) polymer for moulding and extrusion.

  • 国际标准化组织(ISO)规定了甲基丙烯酸甲酯聚合物模塑和挤出材料的稀溶液粘数的测定。

  • 互联网摘选 2025-01-20 13:21:45

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