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Light-fastness improver for polyester
Yuvi-493 is a UV absorber for Polyester. It reduces the fibre damage due to photo chemical degradation. Yuvi-493 has very good dispersion stability and is therefore particularly suitable in exhaust method of application. Yuvi-493 has no influence on the shade of dyeings.
| Key Features | Benefits |
|---|---|
| UV absorber
|
Reduces fibre damage
|
| Good dispersion stability and low foaming
|
Suitable by exhaust method in soft flow, package & jet machine's during dyeing
|
| Physical appearance
|
Greenish yellow liquid
|
| Ionic nature | Anionic
|
| pH of 1% solution | 7 +/- 1
|
| Miscibility | Dispersible with water
|
| Compatibility | Compatible with anionic and non-ionic products
|
| Stability
|
Stable to dilute acids and dilute alkalies
|
1.Exhaust application during polyester dyeing with disperse dyes.
2.Thermosol pad application
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
