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Bitume is the tube to reach for when a model needs real depth rather than just a darker line. This near-black, transparent brown sinks convincingly into panel lines and recesses, deepens shadows without flattening the colour underneath, and pools naturally in the low, dimly lit spots that give a model weight and structure. A small amount covers a lot of ground, and the long open time keeps every application under control.

Best for

• Panel lines, recesses and structural detail
• Deepening dark colours in shadow without deadening them
• Oil staining and grime pooling on undersides and engine decks

It’s the quiet workhorse of a shading kit unshowy on its own, but everything around it reads better for having it there.

Depth and shadow in a single tube. Build out your palette with more from the Abteilung 502 collection.