I think I saw information about this once before here, but I can not find it by doing a search. Or, I am not searching for the right word(s).
Are the various brand additives, i.e., softener, heat stabilizer, hardener, etc., interchangeable with the various brands of liquid plastics? For instance: will M-F softener work in PollyOne plastic, will LC heat stabilizer work in M-F plastic?