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Sarawhite-MST. is a fluorescent whitening agent with bluish violet tone for cellulosic fibres and their blends. It is most suitable for continuous processes as there is no tailing and it has excellent leveling properties. Sarawhite-MST. can also be applied with anonionic finishing agents or with crosslinking agents.
| Key Features | Benefits |
|---|---|
| Low affinity
|
Applied by padding application
|
| Good stability to pH stability
|
Can be used with resin
|
| crosslinking agent
|
Stable to pH 5 to 9
|
| Physical appearance
|
Pale yellow to reddish yellow liquid
|
| Ionic nature | Anionic
|
| pH of 1% solution | 8.5 +/- 1
|
| Miscibility | Miscible with water
|
| Stability | Stable to dilute acids and dilute alkalies
|
| Compatibility | Compatible with anionic and non-ionic products
|
Continuous/Padding process :
STABILITY & FASTNESS PROPERTIES :
| Stability to
|
Remarks
|
| Peroxide bleach
|
Stable
|
| Reduction bleach
(hydro sulphite based) |
Stable
|
| Chlorite bleach
|
Unstable
|
| Chlorine bleach
|
Unstable
|
| Hard water Stable
|
pH <1
|
| Fastness properties
|
Methods
|
Change in degree of whiteness
|
| Light-fastness
|
ISO 105-B02
|
3-4
|
| Wash fastness, 60 deg.C
|
ISO 105-C06 C1
|
3-4
|
| Wash fastness, 90 deg.C
|
ISO 105-C06 E1
|
2-3
|
| 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
|
| Chlorite bleach
|
----
|
1
|
| Chlorine 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
