TENSYN – D

NATURE:

TENSYN – D is a Melamine resin tanning agent, for the tanning of chrome leathers, vegetable tannage and for all kind of leather tanning.

Appearance : Light cream coloured fine powder

Concentration : 94-98%

pH of 1:6 : 8.0 – 8.5

TENSYN D is a powder with fine particle size when diluted in water has of approximately 8.5. TENSYN D has a selective filling, being chiefly deposited in the less closely structured parts of the hide. TENSYN D improves fullness, particularly in the loosely structure parts of the hide. Tightenning of the grain and improved feel of the leather.

Far-reaching retention of chrome leather characteristics.
No drawn grain due to lack of astringency , Good level dyeing, No difficulties in paste dyeing. A good surface for buffing and embossing, Favourable response to finishing.
No detrimental effect on the characteristics and physical properties of leather during storage particularly tensile strength.

Application:
TENSYN D is suitable for retanning of all types chrome leather , vegetable tannage e.g. for sides, box calf and glacekid. It can be used on its own or in combination with synthetic, vegetable and chrome tanning materials and is best used in undissolved form in a short float.
1.Retanning of full grain or corrected grain side leathers.
Singlle procedure paste or vaccum drying.
Material : Full chrome tanned, shave sides
Rinse : 10 minutes to 50*c (120*F)

Neutralisation & retannage
(percentage on the shaved weight)
100 – 150%water of 50*C (120*F)
2.0 – 3.0 % TENSYN N
0.5 – 1.o % sodium formate
0.2 – 0.8 % Sodium bicarbonate
Run for 20 – 30 minutes
Add 0.3 – 5.0 % TENSYN D

Run for 30 – 40 minutes, pH of the float 4.2 – 4.8, cross section tested with BCG. Inner zone bluish green to BCG, Rinse: 10minutes, raising to 60*C (140*F), dyeing and fatliquoring as usual.