I got it now by putting a bit of tire mount soap(the stuff actually made for tires, I've seen some rims after being lubed by dish soap, Corrosion horrible). I didn't originally want to have any liquid in with the powder, but I was able to wipe a soaked rag around the bead area and both sides seated at 50psi.
So I am assuming the powder , used for allowing the tube to move around and not wear a hole, is unnecessary?
I also did my rear tire now also and that one sealed with just a more liberal dose of powder around the bead and inner rim surface.
I had a ATV tire that took almost 75psi to seat( called the mfg of the rim and they sat on the phone while I added so if the rim shattered[carbon fiber] they would replace for free). It went but the tire was more rounded than the other and never did go entirely back to normal shape. That was with lube, but I was told to never use WD-40, do to possible tire slipping so I don't use it.
Now, one bike down, another to go.
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