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Hillger NDT GmbH was founded in 1984 and develops special ultrasonic imaging systems for high-tech materials. 418 views Technical Discussions Dave Webb Dave Webb 06:00 Sep-28-2006 Coating thickness I need to find out the thickness of a Polyurea coating being applied to foam backing. Does anybody have experience with this? Thanks.    Reply  Translate  Close   Tom Nelligan Engineering, retired, USA, Joined Nov 1998, 390 Tom Nelligan Engineering, retired, USA, Joined Nov 1998 390 02:31 Sep-28-2006 Re: Coating thickness We have successfully done this sort of measurement using ultrasonic thickness gages and delay line transducers. If the coating is reasonably smooth, bubble-free, and at least 0.5 mm thick, we may be able to help you. The potential limitations are rough outside surfaces or the presence of air bubbles within the coating, both of which will scatter the sound waves. ----------- Start Original Message ----------- : I need to find out the thickness of a Polyurea coating being applied to foam backing. Does anybody have experience with this? : Thanks. ------------ End Original Message ------------    Reply  Translate  Close

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