Wetting back auxiliary agent
Special material containing organic carboxylic acid
Mainly used in pickling process and wetting back wet blue
Colour-consistency ：light yellow, small grain
Solid content (%) ：approx.95%
pH ：in 10% aqueous solution approx.3.0
Solution：miscible in water
►Improve the grain tighten, fineness and softness.
►Improve the penetrability and dyeing ability.
►Increase the gain of leather, and improve the physical properties.
►Reduce the amount of chrome.
►Can be used for all soft leather.
FRUCTY TCA specially for removing the calcium and magnesium salt on the leather surface. It can gives leather soft and comfortable handle, especially for the wet blue which is stockpiled too long or diliming incomplete.
Process the Amount
wetting back 0.5-2.0% (according to needed)
Storage in cool and ventilated warehouse, anti-exposure
Away from fire