Tiger strips/a surface defect, which often occurs in the injection molding, is characterized by a cyclic sequence of shiny and matt stripes at the flow front.
The physical cause of the occurrence of tiger stripes, is the re-melting of already frozen outer layers the thermally damaged material reaches the surface and leads to spots with a matter shininess in appearance.
It is possible with calculated plots with some relations, which is being used by some raw material suppliers.
Mold flow should introduce Tiger strips occurrence plot.
