NanoflowX, with headquarters in Los Angeles, is an ultrathin wet chemistry capable of protection up to IP68.  Their custom chemistry that took five years to develop has tested against market leaders such as Dow and 3M, with winning results. With thickness profile as thin as 1µm, NanoflowX can be deposited with dip, spray, or even a stepper for higher accuracy. Further, the entire process lasts just 5-15 minutes. The process is re-workable and very little masking is required. More specific to acoustic products, there is still a little masking requirement on micro-speakers and MEMS microphones, but NanoflowX and dB are experts in the process and we always assist in the design of the coating procedure (SOP).  Next, there is no major barrier to entry with equipment costs, so the solution is very scalable in production. This is incredibly useful for brands using multiple contract manufacturers.