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Sarawhite-CR is an optical brightening agent for Acrylic fibres. It imparts good whiteness with bluish white to bluish tone on the treated substrate. It shows excellent whiteness in exhaust process. Sarawhite-CR shows good light fastness.
| Key Features | Benefits |
|---|---|
| Good Stability
|
Stable to chlorite and acids
|
| Bluish white tone
|
Good whiteness can be obtained
|
| Physical appearance
|
Lemon yellow to Yellow liquid
|
| Ionic nature | Cationic
|
| pH of 1% solution | 4 +/- 1
|
| Miscibility | Miscible with water
|
| Stability | Stable to dilute acids and unstable to dilute alkalies
|
| Compatibility | Compatible with cationic and nonionic products
|
Pad-Steam process
Exhaust process
STABILITY & FASTNESS PROPERTIES
| Stability to | Remarks |
| Peroxide bleach | Stable |
| Reduction bleach | Stable |
| Chlorite bleach | Stable |
| Chlorine bleach | Stable |
| Hard water, ppm (Ca) | Stable |
| pH | < 6.5 |
| Hydrosulphite | Stable |
| Compatibility with softeners | Compatible |
| Fastness properties | Methods | Rating |
| Light fastness | ISO 105-B02 | 4-5 |
| Wash fastness, 60 deg.C | ISO 105-C06 C1 | 5 |
| Wash fastness, 90 deg.C | ISO 105-C06 E1 | 5 |
| Dry heat fixation, 180 deg.C | ISO 105-P01 | 4-5 |
| Dry heat fixation, 210 deg.C | ISO 105-P01 | 4-5 |
| Perspiration, acidic | ISO 105-E04 | 5 |
| Perspiration, alkaline | ISO 105-E04 | 5 |
| Dry cleaning (perchloroethylene) | ISO 105-D01 | 4-5 |
| Sublimation | ISO 105-P01 | 4-5 |
| Chlorine bleach | -- | 4-5 |
| Chlorite bleach | -- | 4-5 |
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
