Soaping agent 721

Soaping agent 721 is mixture of special reductive and surfactant and has relatively strong sequestering and dispersing effect. It has a good reductive ability at wide range of PH and is used as reductive in place of caustic soda and sodium hydro sulfite after dyeing of polyester and its blends. It also removes floating dyes and pigment and improve fastness to color.

Property and Advantage:

◎ Reductive cleaning of dyed polyester and its blends and removing of loose color.

◎ Has a good chelating ability for metal ion and bring vivid shade after cleaning.

◎ Has no pungent smell to improve working condition.

◎ Has a strong reduction in acid bath and has no yellowing like conventional reductive.

Specification:

                Appearance: slight yellow to white powder

                Ionicity: nonionic

                PH Value: 9.0~11.0 （1% aqueous solution）

                Solubility: easily dissolve in water

Application field:

Reductive cleaning after dyeing of dispersing dyes

Usage:

It’s high concentrated and has 3 times active content than common product. You can directly use it with correspondingly low dosage or dilute it 1:2 with water. First add the products and then pour warm water or hot water of 50℃ and continue stirring for 30 minutes until the material is homogenous.

Recommended Dosage:

            721     0.3~1.0 %（o.w.f）

                Cool down below 80℃ after dyeing with dispersing dyes and make sure the PH is weak acid, then add 735-100% and keep the bath 80-85℃ for 20-30 minutes and discharge and clean.

Package:        10kg/25kg/bag

Storage:

Be kept in cool and ventilated warehouse from heating or insolate, shelf life is one year. Keep it sealed after using and can contact strong oxidizer.