Which Is Sharper Scalpel or Razor?

A surgical scalpel is many times sharper than a straight razor and almost as sharp as many of the sharpest DE blades.

What is sharper than a scalpel?

Obsidian – a type of volcanic glass – can produce cutting edges many times finer than even the best steel scalpels.

Is a knife sharper than a razor blade?

Don't confuse a utility knife with a razor blade. A utility knife should not be used where a razor blade does the trick. ... Whereas a razor blade is ultra-thin and ultra-sharp, a utility-knife blade is thicker and more sturdy; it's made for heavier cutting.