TEXWHITE-A

Texwhite-A | OBA with Neutral Tone

Product Information

Texwhite-A is an optical brightening agent for polyester and polyester blends. Texwhite-A is suitable for application at low temperature by exhaust method. It can also be applied by padding method. A substrate treated with Texwhite-A offers neutral white tone and good light-fastness.

Key Features & Benefits
Key Features Benefits
Applicable at low temperature
Energy Saving
Good stability to alkali, peroxide, electrolyte and reducing agents
Applicable with hydrogen peroxide or reductive bleaching
Versatile
Can be applied by exhaust and pad application Also compatible with finishing agents
General Characteristics
Physical appearance
Greenish yellow Liquid
Ionic nature Nonionic
pH of 1% solution 5 +/- 1
Miscibility Miscible with water
Stability Stable to dilute acids and dilute alkalies
Compatibility Compatible with anionic, cationic and nonionic products
Application

Padding process

  • Texwhite-A : 4.8 g/l
  • Saracid-RS : 2-3 g/l
  • Saraline-FI : 3-5 g/l
  • Pick-up : 65-70 %
  • Bath pH : 4.5 - 5.5
  • Thermofix : 170-210 deg.C, 45-60 secs.

Exhaust process

  • Texwhite-A : 0.4 - 0.8%
  • Saragen-DAM : 0.5-1% (optional)
  • Saracid-RS : 0.5-1%
  • Bath pH : 4.5-5.5
  • Bath Temp. : 95-130 deg.C,
  • Time : 20-30 mins.

Note :

  1. Texwhite-A may tend to settle down on prolonged storage. In such a case, simple stirring is recommended before use.
  2. Texwhite-A can also be added during finishing of polyester and polyester blends along with other finishing chemicals.

STABILITY & FASTNESS PROPERTIES :

Stability to:
Remarks
Peroxide bleach
Stable
Reduction bleach
Stable
Chlorite bleach (hydrosulphite based)
Stable
Hard water
Good
Fastness properties
Methods Change in degree of whiteness
Light-fastness
ISO 105-B02
7
Wash fastness, 60
ISO 105-C06 C1
5
Wash fastness, 90
ISO 105-C06 E1
5
Dry heat fixation, 180
ISO 105-P01
5
Dry heat fixation, 210
ISO 105-P01
3-4
Perspiration, acidic
ISO 105-E04
5
Perspiration, alkaline
ISO 105-E04
5

Precautions

Storage : Store in cool, ventilated shed away from heat and direct sunlight. Storage temperature should not exceed 35 deg C.Close lids firmly to avoid contact with air and moisture.

Shelf Life : 8 months from the date of manufacturing, if stored under controlled conditions.

The above information is given in good faith and is without warranty

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