We made the testes with RAYEX S and UMAC of the sample that was sent to us.
The RAYEX S testes were not successful. The structure of the surface (wavy) and the various inner layers are disturbing the measurement too much. No proper measurements are possible.
The UMAC is capable of measuring the outer rubber layer only. In combination with an ODAC and UMAC we can display the diameter and wall thickness of the most outer rubber layer.
Please find her report here attached.
Please discuss with your customer and let me know if we should do an offer for them or if the measurement of only the most outer layer is not enough for them.
Since I will be out on vacation starting tomorrow you can contact Christian Weber for providing the offer in case necessary.