ALL of Brodak's dopes ((including Nitrate, and Sanding Sealer) are repackaged Randolph Dope.
I have spoken to them regarding this in the past.
Originally Pactra produced their own dope (the original old Pactra formula contained Tri-Cresyl Phosphate) but in the later years switched to repackaging Randolph products as it was virtually the same. I suspect Sig did the same with their dope as well.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !