Wet Leathers

(wet blue, wet white)

LASRA provide extensive testing of wet leathers, servicing the tanning industry.

Wet blue refers to partially processed leathers that have been tanned with chromium but not dyed, dried or
fat-liquored yet.Wet white refers to partially processed leathers that have been tanned with zirconium or aluminium but not dyed, dried or fat-liquored yet.

Basic wet blue profile

analysis

• Chromium

• Shrinkage

• Grease

• Free fatty acids

• pH

• Moisture

 

Basic wet white profile

• Shrinkage

• Grease

• Free fatty acids

• pH

• Moisture

 

Quantitative determination of the preservative agents are often analysed for additionally to the basic wet leather profiles.
Preservation agents are used to ensure the pickled pelts are resistant to degradation during storage, often involving transit.

Preservation agent testing includes:

• TCMTB

• 90 day tropical chamber incubation test

 

If you’re interested in a test not listed here, just contact us because it’s likely we can provide for your need.