China Chinese wholesale 1,3:2,4-di-O-(p-chlorobenzylidene)-D-sorbitol - Optical Brightener OB – BGT Manufacturer and Supplier

Chinese wholesale 1,3:2,4-di-O-(p-chlorobenzylidene)-D-sorbitol - Optical Brightener OB – BGT

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Chinese wholesale 1,3:2,4-di-O-(p-chlorobenzylidene)-D-sorbitol - Optical Brightener OB – BGT Detail:

OB-1
C.I.	393
CAS No.	1533-45-5
Appearance	Bright yellowish green crystal powder
Purity	≥98.5% min.
Melting Point	357-360℃
Application	Good whitening and brightening effect for polyester-cotton blend fabric. Especially in various kinds of plastic products like PET, PP, PC, PS, PE, PVC. But it is easy to migration in PE and low temperature plastic.
Packing	25kg fiber drums with PE liner.

OB
C.I.	184
CAS No.	7128-64-5
Appearance	Light yellowish or milk white powder
Purity	≥99.0% min.
Melting Point	196-203℃
Application	A good whitening agent for PVC, PS, PE, PP, ABS, thermoplastic plastics, acetate fiber, paint, coating and printing ink, etc.
Packing	25kg fiber drums with PE liner.

CBS-127
C.I.	378
CAS No.	40470-68-6
Appearance	Light yellow crystal powder
Purity	≥99.0% min.
Melting Point	190-200℃
Application	A good whitening effect for various plastic and plastic products, like PVC, Polypropylene, transparent high-grade plastic products. Whitening effect is more excellent. Particularly application in PVC soft products.
Packing	25kg fiber drums with PE liner.

(Remark: The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.)

Notes:

Optical Brighteners function by absorbing ultraviolet radiation and remitting blue light. The emitted blue light will reduce the yellow color of a polymer. In the presence of a whitening agent, such as TiO2, the use of OB-1 will produce a brilliant white or “ white than white” appearance.

Optical Brightener Agent OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing.

The CBS-127 is an Optical Brightener applicable to polymers, especially for PVC and phenylethylene products. It could be added to the polymers as pigment. The bright white color will present on the products if used low concentration of CBS-127 together with anatase titania. The concentration of CBS-127 should add-up if the rutile anatase titania will be used.

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1,3:2,4-di-O-(p-chlorobenzylidene)-D-sorbitol