Specification
Fluorescent Whitening Agent ER-I (also known as C.I. Fluorescent Brightener 199, FBA 199) is a bisdiphenylethylene-type fluorescent whitening agent, appearing as a yellow-green crystalline powder. This product is insoluble in water but soluble in most organic solvents, and exhibits a violet-blue fluorescence under UV light excitation. ER-I is internationally recognized as one of the ideal whitening agents for polyester fibers, and is widely used in industries such as textiles, plastics, and coatings.
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Molecular Formula: C24H16N2 |
Molecular Weight: 332.3972 |
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CAS No: 13001-39-3 |
C.I. No.: 199 |
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Appearance: Yellowish green crystal powder |
Melting Point: 229 ~ 231℃ |
Features
ER-I is a whitening agent for polyester. It is non-toxic, odorless, non-ionic and soluble in most of organic solvents. Product Whitened by ER has a natural pure white appearance. Being stable in chemical properties and characterized by strong high-temperature resistance and light stability, ER is one of the most ideal whitening agents generally accepted internationally for polyester fiber.
Applications
A good whitening agent for polyester fiber and a good whitening effect on plastics such as PE,PP and PVC and their process of shaping with polyester chips or recovered polyester chiaps.
Product Aliases Reference
| Trade Name/Code | Brand/Source |
|---|---|
| ER-I | General |
| FBA 199 | C.I. Number |
| Blankophor ER | Bayer AG corresponding model |
| Blankophor RR | Corresponding foreign brand |
Reference dosage
The fluorescent brightener ER-I (FBA199) is added to the mixer together with polyester chips and other textile additives.
The recommended dosage of fluorescent brightener ER-I is 0.05%-0.5% (in proportion to the weight of polyester).
Package & Storage
10kg or 25kg/ fiber drums. It can be packed in other forms according to user's requirements.
Shelf life: not more than 24 months in the room temperature.
Why Choose Us
1.With our own factory, R&D, sales system
2.Establish a complete stock of conventional optical brightener products.
3. With a complete sample management system, we can provide testing and OEM services.
4. Integrate industry resources and academic resources to create a efficient R&D technical team to provide customers with customized technical solutions.
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