Polyamide Fixing Agent:DSG-S

COMPOSITION

Alkylaryl sulphonate, anionic

USES

Aftertreating agent to improve the wet fastness of dyeings and prints with acid and metal complex dyestuffs on PA fibres and PA/WO blends.

Very good suitability for PA microfibres.

Reserving and retarding agent for PA/WO and PA/CO dyeing.

White ground protection when washing off printed PA and PA blends.

TECHNICAL DATA

- Brown liquid

- pH value ca. 7-8

- Soluble in cold water

PROPERTIES

- No impairment of light fastness

- Improves wash-, perspiration, water, and sea-water fastness

- Improves the fastness to pleating and setting with dry heat

- Specific retarding capacity in PA/CO and PA/WO dyeing

- Prevents bleeding of white ground when washing subsequent to printing - Stain blocker in carpet finishing

- Very good resist effect in the aftersoaping of PA prints

- Stable to dry cleaning

APPLICATION

The product can be applied in the exhaust or in the pad method. 

Discontinuous         2 - 5 %      DSG-S

pH         4.0 - 4.5

 temperature 60 -80 °C

duration 20 min

Continuous           2- 4 g/l     DSG-S

pH value    4.0 - 4.5

                        saturated steam 102 °C

duration 5 - 10 min.

STORAGE

If permanently stored below 0 °C, the product may solidify and/or change its consistency. After heating to 20 - 25 °C and thorough mixing, the product can be used again without any problems.

In order to avoid quality loss, it is necessary to always close the drums after use.

If, due to unfavourable transport and/or storage conditions (> 30 °C), excess pressure has

developed in the drum, first carefully deaerate the drum via the bunghole lid in the middle.