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Castrol strips Type 1 (G) and Type 2 (A)

Both types are 50 mm long, 12 mm wide and rounded at the ends with a radius of 25.4 mm.
rounded at the ends. They each consist of three layers with a total thickness of 0.15 mm. The middle
layer (0.05 mm) consists of a magnetically soft Ni-Fe alloy with high relative permeability.
permeability. The outer layers (0.05 mm) consist of non-magnetizable material.
A special feature of these test bodies is that the middle layer of the parallel to the long side
has slits of 42mm length, which are evenly distributed across the width.
They run through the entire cross section, but have different widths.
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