Varivas list the specific gravity of the ester line as 1.35 with line sizes up to 0.5 goh at 2.3lbs

There website also list the Double cross PE (braid) as a combination of ester and PE line available in 0.6 and 0.8 goh at 9.6 & 11.4 lbs with a specific gravity or 1.12.

Super Trout Advance Double Cross PE - VARIVAS

I haven't tried any of it as my JDM rods are only rated up to 0.4 Still playing around with some nylon and other PE lines to find what I like best.

In the PE lines I've used the Area Super Trout advanced x4 and the Avani Salwater x8. I find that the Area Super trout is softer, I've gotten a couple of wind knots trying to use it with to much wind, and the color fades. The Avani is a little stiffer and seems handle casting with wind better for me. I do have some extra spools with nylon on them. the plan is to switch to nylon if I need to due to wind.