i have a screw with $105$mm length per step $8\mathrm{.}5$ turns and $27\mathrm{.}5$x$4$mm blade face i need a motor to drive that screw the screw will dispense Polyethylene density$=0\mathrm{.}9$ g$/$cm$3$ the auger is stanless steel volume $=1425$ cm$3$ density $=7\mathrm{.}70$ g$/$cm$3$ viscosity of extruder is $100-1000$ pa$*$s what is the required torque $($Nm$)$ and what is the resistance on the motor?