Viscosity Grade: Make sure the proper viscosity grade is chosen.
粘度等级：请确认您选择了适宜的粘度等级。
It is an unreinforced, high viscosity grade, developed for extrusion applications.
它是一种无筋，高粘度等级，用于挤出应用开发。
The results showed that the lag time before drug release was lengthened with the increase of the viscosity grade of HPMC.
结果表明，HPMC粘度增加使药物释放滞后时间延长，但高粘度HPMC会导致药物释放无明显突跃点；
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