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Basic Info.
Product Description
Fluorescent Brightener 4BK is a fluorescent brightening agent for stilbene, with a blue-violet fluorescent colour. Compared to VBL, it has better water solubility, light resistance, acid and alkali resistance and higher whiteness at the same dosage. It is particularly suitable for the whitening and brightening of high-grade paper and cotton fabrics.
Common Name: Fluorescent Brightener 4BK
Other Name: Fluorescent Brightener 87
C.I.: 87
CAS No.: 12768-91-1
EINECS No.: -
Appearance: Light green powder
Molecular Formula: C40H40N12Na4O16S4
Category: Textile Auxiliary Agent(Textile chemical)
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: Zhejiang, China.
| C.I. | 87 |
| CAS NO. | 12768-91-1 |
| Molecular Formula | C40H40N12Na4O16S4 |
| Appearance | Light green powder |
| Content | ≥ 99% |
| Fluorescence intensity | 100 |
| Moisture | ≤ 5% |
| Fineness | ≤ 5% |
| Colored Light | Blue-violet light |
| Application | For use on cotton and viscose fabrics. Particularly suitable for the whitening of high whiteness cotton fabrics |
It is suitable for the whitening of cotton and polyester-cotton blended fabrics, and the whitening of cotton blended fabrics.
Performance Characteristics
1. It has a good fluorescent whitening effect, strong whiteness enhancing power, bright and vivid colour.
2. Insensitive to light, chemical properties are more stable.
3. It is resistant to weak acids, alkalis, hydrogen peroxide and perborates, and is suitable for alkali-oxygen-bath processing and also for rolling and dyeing processes.
4. It has good washing resistance.
1. Dip-dyeing and absorbing method:
Dosage: 0.1%-0.8% (o.w.f); Bath ratio: 1:10-30; Dyeing temperature: 95-100 degrees; Holding time: 30-40 minutes.
2. Boiling and oxygen bleaching whitening-bath method:
Dosage: 0.25-0.8% (o.w.f); Hydrogen Peroxide (30%): 5-15g/L; Refining agent SH-A: 3-5g/L; Bath ratio: 1:10-30; Dyeing temperature: 95-100 degrees; Holding time: 30-40 minutes; Washing and drying.
1.Stable Quality
All products have reached national standards, product purity of more than 99%, high stability, good weatherability, migration resistance.
2.Factory Direct Supply
Plastic State has 2 production bases, which can guarantee the stable supply of products, factory direct sales.
3.Export Quality
Based on domestic and global, the products are exported to more than 50 countries and regions in Germany, France, Russia, Egypt, Argentina and Japan.
4.After-sales Services
24-hour online service, the technical engineer handles the whole process regardless of any problems during the use of the product.
Packaging:
In 25kg drums (cardboard drums), lined with plastic bags or according to customer's requirements.
Contact Us
Colorcom Ltd was established in May, 2013 to be in charge of the import and export business for our group, with the
registered capital of CNY: 10,000,000.00. The company is headquartered in Hangzhou city, Zhejiang province, which is the very
famous scenery city in China. Welcome to visit our company. We will have a very pleasant time together in the place of interest
......
Colorcom Group produces high performance pigments widely use in printing inks, paints, coatings,plastic, textile printings, leathers, stationery, construction, cosmetics,etc.Our brand are TPColor &TopColor,which are now a renown brand for international market.Our TPColor pigments have the advantages of high color strength, high gloss, superior dispersion, excellent fastness to light and weather,outstanding resistance to all solvents, high quality consistency,long shelf-life, chemically and physically stable, etc.
