Silicone Implants: How Do They Read on a Body Composition Scale?

Hi, I just purchased a scale that measures fat, visceral fat, muscle, and water (as well as total weight). Since I have silicone breast implants, I'd like to know which of these categories my implants would fall into. That is, would they show up as fat, visceral fat, muscle, or water? The scale uses electrical impedance. Thanks. I thought the group of plastic surgeons on Realself would be the best place to find the answer to my question.