The Thirsty Traveler tonight achieved a milestone of sorts, for least alcoholic beverage content in a show ostensibly about alcoholic beverages, but I did glean the following, which helps me better understand Canadian whiskey which, in some ways, is still a mystery to me.
During his visit to Canadian Club in Walkerville, we learn that CC is flavored with a whiskey made from an 80 percent rye mash in a pot still and the proof of distillation is 140° (70% ABV), about the same as a bourbon.
Although they didn't mention it, I assume they double-distill to reach 140° proof.
It is then aged in used bourbon barrels.
They showed a column still and said, "that's for the corn."