Viscosity is the mechanical friction which forms between the molecules when they are in the state of motion and the resistance to deformation due to the mutual attraction of the molecules with each other. There are two types of viscosity i.e. dynamic viscosity and absolute viscosity. Viscosity measures the rate of flow of the particles when they are placed in the molten state. The viscosity measurement test is performed widely in plastic manufacturing industries to measure the viscosity rate of plastic granules to determine the quality of plastics. This can be measured using high-quality of melt flow index tester.
Presto Stantest, one of the leading manufacturer and supplier of testing machines, offers high-quality of melt flow index tester with different user-friendly control systems. The testing instrument is best enough to measure the viscosity rate or melt flow rate of plastic granules. The testing machine is designed as per the standards that are introduced by various standardization authorities which ensure that instruments offer highly accurate test results.