What material can damp/absorb 1 MHz ultrasound in a water tank?

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Ray Simpkin

Hi there,

I think the material described in the following link will do the job. It's designed specifically for the purpose you describe:

http://www.acoustics.co.uk/product/aptflex-f28/

Wenfeng Xia

Check this

https://www.researchgate.net/publication/321378314_Anatomically_realistic_ultrasound_phantoms_using_gel_wax_with_3D_printed_moulds