Dyehouse

TRUPOTAN NEC

Basis:

Polymer: Styrene-maleic.

Application:

Retanning of all kinds of leather.

Appearance:

Slightly yellowish liquid.

Charge:

Anionic.

Active matter:

Approx. 25%.

10% pH Dissolution:

Approx. 5,5.

Acid stability:

Good.

Hard water stability:

Excellent.

Vegetal stability:

Excellent.

Light fastness:

Excellent.

Ageing fastness:

Excellent.

Properties and application

TRUPOTAN NEC is completely water soluble and compatible with most TRUPOTAN retanning agents.

- The most usual vegetal retanning agents.
- Most of anionic synthetic retanning agents.
- Most of acrylic retanning agents.

Leathers processed with TRUPOTAN NEC exhibit outstanding fullness together with good grain tightness.

TRUPOTAN NEC used in the same retanning bath gives more mellow handles than when applied as a usual retanning agent. Nevertheless, both cases show extremely smooth grain and good tightness.

Further dyeings with anionic dyestuffs are always clean and even.

Outstanding results are achieved in the production of white shoe upper with the use of TRUPOTAN NEC in the retanning and fatliquoring processes, combined with products in the range TRUPOSYL - TRUPOSIST.

Storage Stability: TRUPOTAN NEC can be stored for up to one year, if temperatures below 5ºC and above 40ºC can be avoided. On prolonged storage or extremes of temperature TRUPOTAN NEC may exhibit some settlement which can be rectified by  stirring the product thoroughly before use.

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