From the world of conventional veterinary medicine, the product you want is called “Blood Stop Powder.” It’s made from a combination of iron sulfate, ammonia, aluminum and tannic acid. When it meets blood, it rapidly forms a solid mass (an instant scab). Farmers and ranchers use this all the time to stop severe bleeding from animals such as when cows experience a difficult birth and tear part of the birth canal in the process.
The product label carries a warning that it’s “Not for use on humans,” but in a life-or-death emergency, I doubt you’ll care what the label says. The product works just fine on any mammal with blood, and unless you’ve already been turned into a zombie, that probably includes you.
FK – Does it stop arterial bleeding like Quik Clot bandages?