Aluminum alloy foil
AA4343/AA3003/AA4343 or single foil
Fin height
Max. 10mm (customized, based on tooling)
Height tolerance
+0.03mm, - 0.01mm
Fin height levelness
Less than 0.05mm
Fin width
8~200mm (customized)
Fin rolling speed
1000~4000 corrugatations per minute
Fin pitch tolerance
+/-0.10mm
Tooling material
Forged high speed steel (W6)
Tooling life
120~150 million corrugations