01-20-2008, 01:27 PM
I don't know of any data that is available to the public. SA makes sink lines for fresh water and salt water. I suspect they have tested the lines in salt water to determine the sink rate.
Sinking Fly Lines Mastery Series Saltwater Lines
- Sinks below the surface, beneath wind and chop
- For delicate low-visibility deliveries in shallow water
- Stiffer for fast shooting to distant fish
- Also excels for other tropical shallow-water species