CHESTNUT extract TYPICAL ANALYSIS : Physical Aspect : Brown hygroscopic powder dedusted. Ionic Character : Anionic PcP : Free Tannins % : 70.0 % + 2 Moisture % : 4.5-6.5 % pH (1 :10 solution) : 3.5-4.5 PROPERTIES : CHESTNUT extract is soluble in tap and hot water. It has the following characteristics for vegetable tannage : • Firmness and excellent fibre compactation. • Exceptional fixation power. • Uniform and efficient penetration. • Excellent weight yield. • More fullness. • Fine, tight and smooth leather grain. CHESTNUT extract is also suitable for leather retannage that promotes the following advantages : • Improved hydrophobic features. • Keep good printing and embossing effect. • Better buffing properties. • Excellent polish and burnish effect.
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