the measuring condition about weighting amount, water content in solvent, solvent density, mag-netic stirrer temperature and viscometer bath temperature and parameters selection of measuring the viscosityof bottle grade PET chip were studied.

• 论述了瓶级切片粘度测试方法中称样量、溶剂水含量、溶剂密度、磁力搅拌器温度、粘度计水浴糟温度等测试条件和参数的优化选择。