一级黄色影片在线免费观看_99国产网红主播在线影院_欧美日韩亚洲人成电影_亚洲色怡人成人综合网站老妇女_黄片无码免费69_无码高清中文aⅴ非洲_欧美精品重口另类日韩精品_国产网址推油按摩精品_国产a∨天堂亚洲国产a∨天堂_97在线观看免费版

Stock Code:002562
EN
CN EN
BROTAN-BOS Synthetic Tannin

Compositions

Condensation of aromatic compound and formaldehyde.


Charge:
Anionic
PH,(10%):
2.5-4.5
Content, %:
Approx. 93.0
Light-fastness:
Excellent
Appearance:
Light-brown powder

Properties

It give leather smooth and fine grain, soft and comfortable feeling.

Because of excellent property on dispersion, it accelerates vegetable tannin, syntan and dyestuff to penetrate in leather.

It has excellent dyeing property.

It has excellent light-fastness, heat-resistance and good property on mechanical operation, suitable for producing white leather and light-color leather.

Excellent property on buffing and ironing.

 

Package and Storage

Paper bag with 20kgs;

Storing condition: cool and dry;

Shelf-life: 18months.

 

Applications

It is suitable for all kinds of leather, such as garment leather, napa leather, glove leather, upper shoe leather, etc. 

It is always used after neutralizing with other vegetable tannin, synthetic tannin and resin tannin.