The wet-blue tanning process is a mainstay of TFL activity. It is essential this process is carried out with utmost control, using the most reliable auxiliaries to achieve consistent end-results.
"Wet-blueing"-chrome tannage by basic chrome sulphate is today an almost universal method of making the pelt resistant to putrefaction and stabilising the fibre structure producing strength, relative dimensional stability and thermal resistance.
As with all beamhouse processes the chrome tannage if not conducted correctly is very difficult if not impossible to rectify. The requirements are: