CAREWHITE-BBU 250%

CAREWHITE-BBU 250% | OBA with Bluer tone

Product Information

Carewhite-BBU 250%.is a high affinity fluorescent whitening agent with bluish white shade for cellulosic fibres and their blends. It is suitable for continuous processes as there is no tailing. Carewhite-BBU 250%.is not suitable with cross-linking agent.

Key Features & Benefits
Key Features Benefits
High affinity
Applicable by exhaust as well as pad application
pH Stability
Stable to pH 6-9
General Characteristics
Physical appearance
Greenish yellow powder
Ionic nature Anionic
pH of 1% solution 9 +/- 1
Miscibility Miscible with water
Compatibility
Compatible with anionic and non-ionic products
Stability
Stable to dilute acids and dilute alkalies
Application

Exhaust process :

1. Optical whitening in aqueous liquor/after bleaching

  • Dosage : 0.05-0.15% 
  • Time : 20-30 min
  • Temp. : 50-80 deg.C

2. Optical whitening in peroxide liquor

  • Dosage : 0.05-0.15%
  • Time ; 45-90 min
  • Temp. : 85-95 deg.C

Padding process :

  • Dosage : 0.2-2.0g/l
  • Pick-up : 65-70 %
  • Bath pH : 6.0-6.5
  • Drying : 130-160 deg.C, 1-2 mins.

STABILITY & FASTNESS PROPERTIES:

Stability to
Remarks
Chlorite bleach
Unstable
Chlorine bleach
Unstable
Hard water
Stable
pH
5.5-12
Fastness properties
Methods
Change in degree of whiteness
Light fastness
ISO 105-B02
3-4
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
5
Perspiration, acidic
ISO 105-E04
5
Perspiration, alkaline
ISO 105-E04
5
Dry Cleaning
----
5
Chlorine bleach
----
4
Chlorite bleach
----
1

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: 9 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
SARAWHITE (CONC). OBA with Neutral Tone

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

SARAWHITE-COL OBA with Bluer tone

A high-affinity optical brightener with bluish tone 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.