Bitumen Bitumen is a sticky, black, and highly viscous liquid form of petroleum. When I created this font, it reminded me a bit of asphalt, hence the name. Bitumen is a handmade font based on Schmallfette Grotesk by Walter Haettenschweiler and Haettenschweiler font. The font was made with a Japanese brush pen, hence the bold lines. Bitumen comes in two styles: the regular, fat display font and a lighter version - both with italics. Bitumen Download Now View Gallery