Retanning Agent


DOWELLTAN NB


Retanning resin

Chemical & Physical Data:

Appearance:               Dark brown liquid

Solid Content/%:         37.0~39.0

pH(10%):                     5.0~6.0

Charge:                        Anionic


Properties:

lThis product is a co-polymer, neutralized, in aqueous solution.

lIt is specially designed for chrome leather retanning. It provides a full,round, and compact handle. The grain remains tight.

lIt is recommended to use the product in short float after neutralizing; the temperature should not exceed 40°C. It fixes itself inside the leather during the process, due to the strong affinity of his reactive groups versus the dermic fibres.

lDyeing skins with this product allows to get saturated and brighter colours compared with traditional synthetic or retanning extracts.

lIt is compatible with other retanning products.


Application:

lThis product may be used in retanning, after neutralizing, within the range of 2 to 5% according to the required effect. The quantity is related to the desired effect.


Packing:

120L plastic drum


Storage:

1 year storage in sealed original package at 5-35℃. Avoid long-time exposure in sunlight or freezing environment. Drums should be tightly resealed each time after material is taken from them, and their contents should be used up as soon as possible after they have been opened. The change in ambient temperature may slightly influence the appearance of this product. It is suggested to stir this product well before using. Non-dangerous chemical.