1 Good and selective filling effect for slack parts;
2 Fuller leathers and tighter grains;
3 beneficial effect on permeability
1. 0312 is a retanning resin with strong filling ability acting on each level of the leather, especially the loosely structure parts. It has outstanding effect on the retannage of chrome leathers.
2. 0312 can be used to cattle leather separately or together with vegetable tannins after the chrome tannage, to achieve the best polishing effect on grain leathers.
3. 0312 is used to improve the fullness of leathers and tightens grains.
4. Some suggestions when applying:
-To achieve the perfect polishing effect and moderate tight touch, 0312 can be used in retanning the chrome leather separately.
-To achieve the best filling effect and perfectly fine polishing grains, 0312 can be used together with vegetable tannins, especially on heavy cattle leathers.
-To retan some small animal leathers, such as valuable furs, 0312 can be applied with other syntans.
-0312 is suitable for producing white leathers.
Product Specification / Models
Appearance: white free flowing powder
Ionic charge: anionic
pH sol. 10%: 7u00b11
Application / Models
Shoe upper leather
After neutralization, drain and rinse.
250% 60 degree C water
X% dye 20minutes
4% 0312 powder 20minutes
1% Quebrac Extract Tannins 30minutes
0.5% Phenolic synthetic tanning agent 30minutes
following by the normal procedure.
Shaving shoe leather
Before fat liquoring and dyeing, add 4% 0312 and rotate for 10minutes, then add dye and fat.
Heavily shaving shoe leather
After fat liquoring, add 4~5% 0312 and rotate for 30minutes.
Usage Leather Auxiliary Agents
Sunny Nutrition Technology Co., Ltd. is a state-level high-tech enterprise specializing in the field of Urea Formaldehyde Resin Powder. She was established in 1993, and now has grown into a company integrating research, manufactureing and sales.
Sunny Nutrition Technology Co., Ltd. now is the biggest manufacturer and exporter of Urea Formaldehyde Resin Powder in China. Our current production of UFR is about 8000-10000MT annually. We have got the GMP and ISO9001 certificates. Our high quality products have possessed a considerable share of both domestic and overseas markets and our products export to many countries in Europe, Asia, Latin and South America, Middle East and etc.