Subh Chem

Being a customer oriented organization, we are deeply engaged in offering a wide array of OB2 Optical Brightener.
Price Range:500-7000 Rs./ Kg
Other Details:
We have marked a distinct position in the domain by manufacturing, exporting and supplying the finest quality Optical Brightener OB. Our Optical Brightener OB enhances the whiteness of different products. Our Optical Brightener OB has great resistant against heat and chemical stability. The provided brightener has good light fastness in substrates, resistance to heat, high chemical stability. The offered brightener is precisely processed as per the defined industry standards using premium quality chemical compounds and modern technology.
Details:
CI No. 184
CAS No. 7128-64-5
Chemical Name : 2,5-Thiophenediylbis(5-Tert-Butyl-1,3-Benzoxazole)
Applications:
PVC
A brilliant white is obtained in Rigid and plasticized PVC with using only small concentrations of Brightener OB with anatase titanium dioxide. Slightly greater concentration is required with rutile titanium dioxide. It is concentrated in each 100Kgs polymer.
Transparent : 0.0001-0.002% (0.1 gm-2gm)
White : 0.01-0.05% (10gm-50gm)
Polystyrene:
The Yellow cast of Polystyrene can be completely masked by using Brightener OB
Concentration :( in each 100 Kgs polymer)
Transparent : 0.0001-0.002% ( 0.1 gm-2gm )
White : 0.001-0.005% ( 1gm-5gm )
ABS:
Acrylonitrile butadiene styrene copolymers are invariably yellowish in color. Their appearance can be improved by small quantity of white pigment and Brightener OB.
Concentration : (in each 100 Kgs polymer)
White : 0.01-0.05% (10gm-50gm )
Polyolefins:
Brightener OB gives very brightening effect in Polyethylene and in Polypropylene. The brightener is homogeneously mixed with the plastic powder or granules.
Concentration : (in each 100 Kgs polymer )
Transparent : 0.0005-0.001% ( 0.5gm-1gm )
White : 0.005-0.05% ( 5gm-50gm )
Blown film : 0.0005-0.001 ( 0.5gm-1gm )
Man-Made Fibers:
Optimal whiteness with excellent light fastness and good textile fastness is attainable in acetate fibers. The brightener is dissolved in acetone and added to the spinning dope
Delustred fibers : 0.01-0.1% ( 10g-100gm )
Lustrous fibers : 0.005-0.05% ( 5gm-50gm )
Clear Lacquers:
Many clear lacquers have an intrinsic yellowish color. Brightener OB intensifies the brilliance of any white or colored pigmented coating underneath the lacquer. Brightener OB is dissolved in a thinner and stirred into the colored lacquer.
Coating thickness 20 : 0.05-0.5% on solid content
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