Dumb question open for discussion,
Does the previous shear history have anything to do with the shear when filling the mold?
Can it be totally discounted?
I would think the viscosity curve would be strongly influenced by the runner system, be it hot or cold. Although cold runner systems generally have relatively large flow paths.
I'm and old extrusion guy at heart, but always willing to learn more about plastics
It is hardly too strong to say that the Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern well, but they mean to govern. They promise to be good masters, but they mean to be masters.”
My posts represent my opinion and not those of this site, its ownership, or the company where I am employed.