Tau2 when new is much tackier, slower, less bouncy. As it ages it looses some tack (but still has more than new D09C) it then plays a little quicker and the bounce more, compared to DHS8-80 ( I bought sheets of Tau2 and H8-80 at the same time) the new sheets were fairly similar but after time the Tau2 was noticeable quicker and bouncier than the H8-80 that was the same age / similar playing hours.
Going back to D09C / Tau2,
I felt that D09C felt harder, when looping D09C was faster and spinny, but I didn’t feel like I was looping well !!!! A flatter more direct trajectory, not as much dip on to the table.
This could be my level and technique issues rather than the rubber though!!
Below is based on MY ability to Control the rubber!!
D09C better for flatter hits, Tau 2 better for looping.
Serves, both good, D09C easier to serve fast, Tau 2 easier for short / half long. Better touch required for D09C
Spin - both are spinny
short game - Tau 2 easier than D09C , better touch required for D09C to keep the ball short. As per serving. It’s the bouncy spring sponge of D09C!!!
Blocking - both are Good but D09C better for fast active blocks, not so easy to take off the incoming speed with D09C.
Regarding the Butterfly rubbers I have tested - T05/T19/D09C/SpinArt/T80FX the T80FX is softer, as you would expect!! I found that there is a general ‘feel’ to T05/T19/D09C/SpinArt it’s like they are different but still the same !!! D09C/SpinArt slower than the others. A ‘distinctive’ feel a ‘brand’ feel ???
(Aibiss is an expensive H3!!!)
So, looking back at things, (it’s been a while since I tried the BTY rubbers)
Tau 2 would be my choice over D09C, and perhaps it actually ‘feels’ more like D09C than many of the other hybrids (perhaps when older!!)
Both have good durability, but for the money 3 sheets of Tau 2 to 1 D09C ???!!!
If you like T05 etc and love that T05 ‘feel’ but want some tack, then D09C is the kiddy!!!!!
if you like H3 et all but want more bounce / speed. Then Tau 2 all day long!!!
(The Tau 2 doesn’t quite live up to that H3 dipping loop though, but could be my technique again!!!)
Both are excellent rubbers!!!