INTRODUCTION
Unique SC is a modified blend vegetable extract of pyrogallic and catechol tannin with medium astrigency . We recommend it to be used for the retanning of shoe upper, furniture and garment leathers from wet-blue.
PROPERTIES
-Light color
-Fast penetration
-High lightfast
-Smooth grain
-Good filling
USAGE
leathers with light color, excellent fullness and compact and soft grain.
TYPICAL ANALYSIS（FILTRATION METHOD）
Phsical aspect:light red
Tannin min.%:59
Non-tannin max.%:19.5
Max. Ashes %:12
Ph:3.5-4.0
Max. humility %:9
Lovibond Colour(obs)
Red: 3.7-5.0
Yellow:14-16
