Check out the video below. In it, Nat Geo TV host Tim Shaw challenges ice experts to predict which ice block will be most resistant to being broken with a sledgehammer: one made of plain ice, one with steel in it, one with sand and one with cotton balls.
Did you watch the whole thing? Were you surprised that the one with cotton balls was the strongest?
It’s because the cotton strands act as fibers that hold the ice together, much like rebar keeps holds road concrete together.
Okay, fine, but what does this have to do with head gaskets?
Our strongest head gasket product, Bar’s Leaks Head Gasket & Cooling Sealant (part HG-1), uses carbon fibers to help form the seal. That’s the…