I agree with Matthew, if TB Original is good enough for Malcolm Tibbetts, "King of Segmented Turning", (my opinion), it's good enough for me. It's all I use on my turnings. I used TB III one time. I didn't like the way it dried. It seemed "rubbery". A couple of months after completion I could feel every joint.
I have learned that TB Original will stick to most anything. When first starting in segmenting I glued up the segments on 3/16" tempered glass. I left some overnight. The next day I had to hit them with a hammer to free them from the glass. In some cases the glass actually chipped, leaving fragments on the wood segment. I now do glue up on plastic coated freezer paper.
As stated by others, if I was building something for outdoor use, I would probably use TBIII. For everything else I will use TB Original. It works for me.
I have learned that TB Original will stick to most anything. When first starting in segmenting I glued up the segments on 3/16" tempered glass. I left some overnight. The next day I had to hit them with a hammer to free them from the glass. In some cases the glass actually chipped, leaving fragments on the wood segment. I now do glue up on plastic coated freezer paper.
As stated by others, if I was building something for outdoor use, I would probably use TBIII. For everything else I will use TB Original. It works for me.