TENSYN OS

TENSYN OS is a anionic replacement syntan, tanning material for the retannage of chrome leathe and for vegetable tannage. And tanning for all kind of leathers.

Secification:
Appearance : Beige colour Powder
Concentration : 96-98%
Acid number(mg KOH/g) : 30-35
pH (10g/l) : 3.5-3.8approx

Properties:
TENSYN OS is a power syntan that is radily soluble in cold and warm water. It is suitable for a wide range of application in the retannage of all types of chrome leather and in vegetable tanning. If used on its own, it produce almost white leather with a medium handle and medium light-fastness.

Fields of Application and Benefits.

1.Retannage of chrome leather: TENSYN OS 4%- 6% use.
Fineness of grain: The fine grain of chrome leather is basically retained because TENSYN OS has low astringency. This makes it suitable for all types of aniline leather too.

2.Buffering effect:TENSYN OS has a buffering and slightly neutralizing effect.
Soft handle, TENSYN OS maintains the tightness of grain but produces leather with a very soft handle.

3.Light Shades: TENSYN OS lightens leather considerably when used in combination with vegetable tanning materials . Its good dispersing action ensure s that vegetable and resin tanning materials penetrate the leather more deeply and evenly.

4.Dyeing properties: TENSYN OS has a good leveling effect during dyeing and is particularly suitable for pastel shades.

5.White leather: Leathers tanned with TENSYN OS alone are almost white and is suitable for white finishes. Unfinished leathers have moderate light-fastness.
Fullness:TENSYN OS has a medium filling action. A strong filling effect is obtained by use in combination with resin materials such as improves grain pattern.

*Lightens and leaves dyeing
*Reduces formation of sludge and mould

6.Suspenders/drum: The optimum amount of TENSYN OS is 20-30%of the total amount of vegetable tanning material.

7.TENSYN OS in vegetable tannage use of 8-10% and has advantages of ‘Accelerates penetrationtannage’

8.TENSYN OS has a moderate acid reserve. When used in conjunction with low acid vegetable tanning materials in the liquor system, it may be advisable to increase the acid reseve by adding 4-6 kg acetic aci(100%) or formic acid(85%) per 100kg TENSYN OS. This improves liquor exhaustion, fixation of the tanning materials and the colour of the leather.

Passeig de less Estasells, 26 08600 – BERGA Spain
Tenigram Europa, Avinguda Barcelona, 105, IG-Nova Technospai D7, Barcelona / cataluna / Europa