This is from PBN or IOG i cant remember, but i saved the text to my computer for occasions like this...
Originally Posted by the incubus
Formula 44-D (lube)
Be sure to apply lube in the O-ring grooves before installing them as well. O-rings are not perfectly round throughout thus resulting in leaks. By applying lube in the grooves it pushed the O-ring outward a bit and makes a more uniformly round shape that compensates for any imperfections on O-rings. It doesn't require much, just enough contact to the side walls so the pressure of the air swells them outward to create a perfect seal.
And I must say Lopez that I cannot take credit for that "tip" regarding leaving them in Dow55 overnight. I prefer my own concoction of Dow Lubes and Tri-Flow for the ultimate in Lubes which leaves a slicker final product that still causes swelling on O-rings. I have yet to meet a Marker that doesn't work better with it, including those whose manufacturers suggest oil instead of grease.
I call it Formula-44D.
It consists of 2 parts Dow33 to 1 part Dow55 and depending on the size of the batch (I use a standard container) about 10 drops of Tri-Flow. Talk about slippery stuff!