Wet blue

Wet Blue refers to moist chrome-tanned leather. In this phase, the leather is tanned, but neither dried, dyed nor finished. The bluish colouring is produced by the chrome tanning agent (Chromium (III) oxide), which is blue and is contained in the leather after tanning.

Nowadays leather is dyed throug in wished colors. The dyes have no opacity. In the case of bright leathers, the back side of the finished leather would then be in the blueish colour of the chrome tanning agents. By a retanning, the leather is bleached that light colors can be achieved with better dying.

Wet-Blue before drying. - The chrome tanning agent (Chromium (III) oxide)) colours the leather slightly bluish. dryed wet blue = crust leather.

 

Video about leather production

The leather production in a modern tannery.

Additional information

• Wet white
• Wet green
• Chrome tanning
• Crust leather

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