Basic Info.
Model NO.
OB
Purity
98%
Color Tone
Bluish
Melting Point
196-203 Degree
Feature
Weather Resistance
Food Contact
Yes
Transport Package
25kg/Drum
Specification
400um
Origin
China
HS Code
32042000
Production Capacity
1000000kg/Month
Product Description
Optical brightener ob for paint ink with good weather resistance
Better Whitening and Brightening Effect
Shipment
Product Name | Optical brightener OB (C.I. 184 / C.I.28 ) |
MF | C26H26N2O2S |
EINECS No | 230-426-4 |
CAS No | 7128-64-5, 4404-43-7 |
Chemical Name | 2,5-bis(5-tert-butyl benzoxazoly-2'-)thiophen |
Appearance | Light green powder |
Purity | ≥98% |
Melting point | 198~202 °C |
Volatile: | <0.5% |
Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. |
Applications: It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin and paint, ink and oil soluble coatings. | |
Properties: The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol). | |
Dosage: PVC whitening: 0.01~0.05%; to improve the light intensity: 0.0001~0.001% Polystyrene :0001~0.001%; ABS:0.01~0.05%; Polyolefin matrix: 0.0005~0.001% White matrix: 0.005~0.05% |
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Better Whitening and Brightening Effect
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Shipment
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