optical brightener ER-II Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener ER-II Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener ER-II is a dispersed liquid.
Product Details
optical brightener ER-II
other name: optical brightener 199:1, fluorescent brightener ER-II, fluorescent whitener ER-II
optical brightener ER-II Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener ER-II Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener ER-II is a dispersed liquid. Suggest to stir well before each use. The following in accordance with its basic properties and dyeing method is introduced:
| Physical characteristics | Fastness properties | ||
| chemical onstruction | Styrylbenzene derivative | H2O2 | Stable |
| appearance | Pale yellow dispersion liquid | reductant | Stable |
| ionicity | Negative | chlorine | Unstable |
| chlorate | Unstable | ||
| fluorescent colors | White light | PH scope | 5-12 |
| solubility | Mixed with cold water or warm water dilute but must pay attention to stratification. | ||
| storage | 12 Month | ||
Fastness properties
| Polyester | ||
| fastness to light | 5-6 | |
| washing fastness | 40℃ | 5 |
| 60℃ | 5 | |
| 95℃ | * | |
| chlorine fastness | 5 | |
| perspiration fastness | Acidic | 5 |
| Alkalinity | 5 | |
| heat fastness | 180℃/30s210℃/30s | 54-5 |
| dry cleaning fastness | 5 |
The above data in accordance with the ISO standard for testing
| Application method | |||
| Low temperature dip dyeing method | high temperature dip dyeing method | ||
| Recommended concentration: | 0.1% - 0.5% | Recommended concentration: | 0.1% - 0.5% |
| bath ratio: | 1:10-1:20 | bath ratio: | 1:10-1:20 |
| temperature range: | 50℃ - 60℃ | temperature range: | 50℃ - 60℃ |
| Heating rate: | 2-3 ℃ per minute | Heat up time: | 30 minute (130 ℃) |
| soaking time: | 45 minute (98 ℃) | Heating rate: | 2-3 ℃ per minute |
| soaking time: | 30 minute (130 ℃) | ||
| padding baking dyeing method | |||
| Recommended concentration: | 0.3 - 2g/L | ||
| pick up rate: | 60% - 70% | ||
| preliminary dry temperature: | 120℃ | ||
| baking temperature: | 170℃ - 190℃ | ||
| baking time: | 30-90 seconds | ||
Packing method
In 25kg plastic drum.
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