I agree with you about the good and soft surface it is. But more oil in the mix(the oil/slacker make the silicone softer ) make the silicone les durable in time. For a very long lasting is better harder silcone. If you don’t need a long lasting piece eco flex is perfect.
In other hand for...
I haven’t read all the post deeply but I never would use a so soft silicone in abust n order to long lasting and punching. Try to use dragon skin 20 or transil20. Thexollector will be much more happy in a future ;)
Just a little post of the piece I’m
doing now. It is a portrait of Harry Houdini.
I will do the silicone head with air punched, a straitjacket and a base.
Hope you like it.