| Customization: | Available |
|---|---|
| CAS No.: | CAS: 27344-41-8 |
| Formula: | C28h18n2o2 |
|
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Product Name
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Optical brightener OB-1(C.I. 393) |
|
CAS No.
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1533-45-5
|
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EINECS No.
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216-245-3 |
| Other Name | 4,4'-Bis(2-benzoxazolyl)stilbene |
| MF | C28H18N2O2 |
| Appearance | Bright yellow / green crystalline powder |
| Purity | ≥99% |
| Melting point | 360~380 °C |
| Volatile: | <0.5% |
| Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. |
| Application | Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming. |
| Dosage: |
Optical brightener OB-1 is commonly used in the amount of 0.02-0.05%, that is, each 100kg of the materials, the optical brightener OB-1 takes 20g-50g or can be adjusted according to the requirements of the product or test |
| Properties |
• Colors appear more brilliant • Environmentally friendly • Excellent brightening ability • Produce a bluish tinge, masking yellowness • Whiter-than-white appearance. |
Established in 2015, Hebei Best New Material Technology Company is a direct manufacturer of chemical raw material , including optical brightener(0B,OB-1,FR127 CBS-X,0B-3,OB-C,ER-V,EBF,KSN,).
We have our own clean workshop, independent laboratory, disinfection workshop, etc, providing various special chemicals according to customers' requirements.
We have established good and reliable business
relationship with many well-known companies all over the world relying on good reputation and
high-quality service.
Optical Brightener Hebei BEST OB is highly effective in polymer substrates such as engineering plastics, PE PC, PVC, PS, ABS, and PP, adhesive and other organic substrates. Main applications include fiber,plastic/textile/detergent/Paper, molded article, film and sheet. And also can be used in clear lacquers, pigmented lacquers, paints, printing ink and synthetic leather. Hebei Best OB features excellent resistance to heat, exceptional whitening properties, good properties, good light fastness and low volatility.
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