SARAWHITE -COL

Sarawhite-COL | OBA with a Bluish Tone

Product Information

Sarawhite-COL.is a high affinity optical brightener with bluish tone for cellulosic fibres and their blends. Due to it's high affinity Sarawhite-COL.is recommended by exhaust application only.

Key Features & Benefits
Key Features Benefits
Bluish tone
Brilliant whites can be obtained
Concentrated form
Economical
High affinity
Excellent exhaustion
Stability to pH
Stable to pH 7 to 10
General Characteristics
Physical appearance
Greenish yellow powder
Ionic nature Anionic
pH of 1% solution 9 +/- 1
Miscibility Soluble in warm water. A solution must not be exposed to light
Stability Unstable to dilute acids but stable to dilute alkalies, hard water, hydrogen peroxide
Compatibility Compatible with anionic and non-ionic products
Application

Exhaust process: Cotton, viscose & modal

  • Dosage : 0.3-0.4%
  • Bath pH : 6-10 deg.C
  • Bath Temp. : 60-90
  • Time : 20-30 mins.

Suggested recipe for better whiteness

  • Sarawhite-COL : 0.05-0.2%
  • Sarawhite-HA : 0.4-0.7% OR Sarawhite (Conc) : 0.08-0.15%
  • Temp. : 80-85 deg.C
  • Time : 20-30 mins.

Note: OBA treatment to be given after bleaching in hot rinse

STABILITY & FASTNESS PROPERTIES 

Stability to :
Remarks
Peroxide bleach
Stable
Reduction bleach (hydrosulphite based)
Unstable
Chlorine bleach
Unstable
pH
5-12
Fastness properties
Methods
Change in degree of whiteness
Wash fastness, 60 deg.C
ISO 105-C06 C1
4-5
Wash fastness, 90 deg.C
ISO 105-C06 E1
4
Dry heat fixation, 180 deg.C
ISO 105-P01
4
Dry heat fixation, 210 deg.C
ISO 105-P01
3
Perspiration, acidic
ISO 105-E04
4-5
Perspiration, alkaline
ISO 105-E04
4-5

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

Related Products

Product Name Short Description Description
CAREWHITE-BBU 250%

OBA with Bluer tone

A low affinity optical brightening agent with bluer tone for Cellulosic fibres and their blends.

SARAWHITE (CONC).

OBA with Neutral Tone

A high-affinity optical brightener for cellulosic fibres and their blends.

SARAWHITE-MST

OBA with Bluer tone

A high-affinity optical brightener in powder form imparting bluer tone on cellulosic fibre and its blends. It is suitable for exhaust application.