We have the service for our thermal roll slitter buyer of the plastic core for both black and white on demand for 57,80mm as market usual size.
Spec data:
Colore:Black/white
Honeycomb 56.2x11.5mm
Honeycomb 56x12.7x4.15mm
Honeycomb 70x11.5mm
Honeycomb 75.2x11.5mm
Honeycomb 78.5x11x5mm
Square hole Honeycomb 78.7x12.7x4.15
Honeycomb 56x13x5
Etc on demand size are accetpable.