Dyehouse

TRUPON AP

Basis:

Ethoxylated fatty matters.

Uses:

Dyeing auxiliary.

Appearance:

Yellowish liquid.

Charge:

Amphoteric.

Active matter:

Approx. 50%.

10% pH emulsion:

Approx. 9.2.

Acid stability:

Very good.

Hard water stability:

Very good.

Chrome stability:

Good.

Properties and application

TRUPON AP reduces the fixation rate of anionic dyestuffs on leathers and provides good through penetration properties. Its amphoteric properties allow an excellent exhaustion on retanned and chrome tanned leather.

TRUPON AP dispersing properties on anionic dyestuffs improves the dyes stability and solubility. It thereby produces increased brightness and dye intensity, even under unfavourable conditions (short baths, dissolution in cold water, dyestuff not fully soluble in water, etc.).

TRUPON AP produces good levelling on wool sheepskin leathers.

Some incompatibilities may arise if used together with vegetable extracts and some acrylic-retanning agents in the same bath.

Required quantities:

- Through-dyeing of leather:      0.5% - 1.0% on shaved weight.
- Wool dyeing:                           1.0 - 2.0 g/l.

Storage Stability: TRUPON AP 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 TRUPON AP may exhibit some settlement which can be rectified by stirring the product thoroughly before use.

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