12-08-2015, 06:42 PM
There's always the original recipe....
Lawrence wrote some time ago on this forum "This apparently was the standard RCA recipe for basing cement, yealding 200lbs, enough for a lot of valves....
Coarse marble flour 170 lb.
Orange flake shellac 19-1/2 lb.
Durite phenolic resin LR275-2 7-1/2 lb.
Medium-color (grade G) rosin 3-1/4 lb.
Denatured alcohol 9 liters
Malachite Green aniline dye 10 g."
Lawrence.
Lawrence wrote some time ago on this forum "This apparently was the standard RCA recipe for basing cement, yealding 200lbs, enough for a lot of valves....
Coarse marble flour 170 lb.
Orange flake shellac 19-1/2 lb.
Durite phenolic resin LR275-2 7-1/2 lb.
Medium-color (grade G) rosin 3-1/4 lb.
Denatured alcohol 9 liters
Malachite Green aniline dye 10 g."
Lawrence.
