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At a small extrusion plant the only equipment available is a melt flow indexer having standard dimensions: (Die D=2.095mm,L=8mm; Barrel D=9.55mm ). A polymer having
At a small extrusion plant the only equipment available is a melt flow indexer having standard dimensions: (Die D=2.095mm,L=8mm; Barrel D=9.55mm ). A polymer having viscosity =51370.63 is to be tested (melt density 800kg/m3 ). The standard weight of 2.16kg is used during the experiment. (i) What is the wall shear stress? (ii) What is the wall shear rate? (iii) What is the flow rate in m3/s ? (iv) What is the MFI of the polymer in g/10min ? At a small extrusion plant the only equipment available is a melt flow indexer having standard dimensions: (Die D=2.095mm,L=8mm; Barrel D=9.55mm ). A polymer having viscosity =51370.63 is to be tested (melt density 800kg/m3 ). The standard weight of 2.16kg is used during the experiment. (i) What is the wall shear stress? (ii) What is the wall shear rate? (iii) What is the flow rate in m3/s ? (iv) What is the MFI of the polymer in g/10min
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