Dyehouse

TRUPOSYL TBK-E

Basis:

Fatiquor based on polymeric and hydrophobic fatliquoring substances.

Appearance:

Yellowish fluid paste.

Charge:

Anionic.

Active matter:

Approx. 40 %.

pH value 10%:

Approx. 7,5.

Acid stability:

Good.

Hard water stability:

Very good.

Light fastness:

Very good.

Heat yellowing:

Very good.

Properties

TRUPOSYL TBK-E is a  waterproofing fatliquor designed for its use in production of washable and water resistant leather.

Leathers fatliquored with TRUPOSYL TBK-E have a good handle, tight and smooth grain together with a significantly fullness.

In the production of garment lambskins TRUPOSYL TBK-E confers to the leather extremely soft and round handle.

TRUPOSYL TBK-E facilitates outstanding penetration and good distribution in extremely conditions of hard water. Leathers fatliquored with TRUPOSYL TBK-E have a pleasant round handle and better tight smooth.

TRUPOSYL TBK-E can be used as a main fatliquor or in combination with other Fatliquors from family TRUPON, TRUPOSOL or TRUPOSIST.

Leathers treated with TRUPOSYL TBK-E posses excellent dyeing properties.

Application

TRUPOSYL TBK-E can be used in different stages, including neutralisation, retanning, as well as top fatliquor.

Quantities to be used will be dependent upon softness and degree of water resistance required but will normally vary between 5-10% based on shaved weight.

TRUPOSYL TBK-E should be added to the drum in pre-emulsified form, process temperatures between 50ºC – 60C and running between 60-90 minutes will be normally suffice to afford even penetration and good bath exhaustion, acidification of the fatliquor bath to pH 3,5- 3,8 with additions of diluted formic acid.

Storage Stability: TRUPOSYL TBK-E 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 TRUPOSYL TBK-E may exhibit some settlement which can be rectified by stirring the product thoroughly before use.

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