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BLANCOKEM 157

Optical brightener for polyamide and cellulosic fibers.
Auxiliaries for dyeing
CERTIFICATIONS
GOTS, ZDHC 3, ECO PASSPORT

Chemical-Physical Characteristics

Chemical constitution

Stylbenic derivative

Appearance

Amber liquid

Ionic charge

Anionic

pH (5% sol.)

9 ± 1

Hard water stability

Good

Stability to pH variation

Stable from 6 to 14

Stability to oxidants and reducing agents

Good stability in bleaching baths with hydrogen peroxide and hydrosulfite. Do not use with chlorite and hypochlorite baths.

Compatibility

Good with anionic and non-anionic products. Incompatible with cationic products

Dosage

Exhaustion:
0.2% – 1.20% BLANCOKEM 157 in a hydrogen peroxide bath or in a blind bath
By padding:
2-20 g / l BLANCOKEM 157

Properties

BLANCOKEM 157 is a highly substantive optical bleaching agent particularly suitable for applications
by exhaustion on polyamide and cellulosic fibers.
BLANCOKEM 157 is also used in high temperature hydrogen peroxide baths.
On polyamide fibers it is applied in the presence of stabilized hydrosulfite.
BLANCOKEM 157 can be used as a padding suitably reinforcing the bath.
BLANCOKEM 157 is suitable for bleaching viscose staple fibers in the dressing bath and for bleaching
mercerized cotton.
BLANCOKEM 157 gives bright white tones with neutral blue reflections.

Applications

Exhaustion:
0.2% – 1.20% BLANCOKEM 157 in a hydrogen peroxide bath or in a blind bath
By padding:
2-20 g / l BLANCOKEM 157

Additional info

The above information is indicative. Instructions for the use of our products therefore have to be adapted to environmental

conditions and to the material to be treated, without guarantees.

Are you interested?

Call us to place your order or to ask for more information.

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