This powder is pyrogallol or hydrolysable type tanning material of vegetable origin.With high in acidity and less salt.The reserve acidity in this powder gives mellowing effect and promotes the fixation of condensed type tanins.Blended with catechol tannins,this imparts light colour,fullness,plumpness and firmness to leather.This powder does not oxidise when exposed to sunlight and gives a protective coating to increase the colour fastness of the condensed tannins.

specification (by filter method)

Appearance :    Yellow colour
Tannin :    42% +/- 5
Non-Tannin :    8%
Total soluble :    50%
Moisture :    6% +/- 1
pH(10%) :    4 to 5


t is more significant in making sole leather blended with mimosa extract.It is used in pit and drum processing in the manufacture of E.I.Kips,Buff Calf and Skin.It protects from oxidation and aids better fixation of condensed tannins.By blending with syntans,it is useful for retanning,particularly shrunken grain upper leathers.It is used in boiler water treatement compound and as a mud-thinning agent in oil drilling.


*Tanmix manufactures and markets the MYROBALAN MILLING POWDER worldwide in a brown powder form.