惠民福利色欲AV无码一区二区三区_欧美日韩制服诱惑在线观看_久久99久国产精品黄毛片辽_九九精品视频6_日韩欧美限制特级片在线观看_曰本级香港三级人妇_成人性色生活毛片_天天躁夜夜躁狠狠躁2023牛牛_欧美日韩国产中文综合_亚洲精品成人免费

Stock Code:002562
EN
CN EN
BRTA-D Dispersing Tannin

Compositions

Condensation of naphthalene and formaldehyde.


Appearance:
Light-yellow powder
Content, %:
Approx. 92.0
pH,(10%)
3.0-4.5
Charge:
Anionic
Light-fastness:
Excellent

Properties

It helps chrome, vegetable tannin, synthetic tannin, resin tannin, fatliquor and dyestuff to disperse and penetrate uniformly in leather, also prevents over-fixing of those chemicals on the surface of leather.

As its excellent stability to electrolytes and chemicals, it could be used in each re-tanning process.

 

Package and Storage

Paper bag with 15kgs;

Storing condition: cool and dry;

Shelf-life: 18months.

 

Applications

It is suitable for all kinds of leathers and always be used together with other retannin.

Recommended amount is 1-3%.