Type Tolerance Base material thickness ±10%
The information about the base material thickness exclusively defines the thickness of the dielectric including base copper.
Type Tolerance Producibility level B (standard) The higher value of ±10% or ±178µm
Thickness tolerances for pressed multilayers according to IPC-2222A. When measured ove
For PCBs ≥ 0,8mm thickness Tolerance with SMD 0,75% without SMD 1,50%
Please note that the twist & bow value is increased above average, if the copper ba