Well-designed Fluorescent Whitening Agent CBS-X - Optical Brightener OB – Subang

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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for Oba 367, Tinopal Fabric Whitener, Ranipal WG, We put genuine and health as the primary responsibility. We have now a expert international trade crew which graduated from America. We are your next small business partner.
Well-designed Fluorescent Whitening Agent CBS-X - Optical Brightener OB – Subang Detail:

Structural formula

1

Product Name: Optical brightener OB

Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)

C.I.:184

CAS NO.:7128-64-5

Specifications

Molecular formula: C26H26N2O2S

molecular weight: 430

Appearance: light yellow powder

Tone: blue

Melting point: 196-203℃

Purity: ≥99.0%

Ash: ≤0.1%

Particle size: Pass 200 mesh

Maximum absorption wavelength: 375nm(Ethanol)

Maximum emission wavelength: 435nm(Ethanol)

Properties

Optical brightener OB is a kind of benzoxazole compound, it is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white glaze.

Application

Optical brightener OB is one of the best brighteners widely used in plastics and fibers and has the same whitening effect as Tinopal OB. It can be used in thermoplastics, polyvinyl chloride, polystyrene, polyethylene, polypropylene, ABS, acetate, and it can also be used in varnishes, paints, white enamels, coatings, and inks.It also has a very good whitening effect on synthetic fibers.It has the advantages of heat resistance, weather resistance, non-yellowing, and good color tone.It can be added to the monomer or prepolymerized material before or during polymerization, condensation, addition polymerization, or added in the form of powder or pellets (i.e masterbatch) before or during the formation of plastics and synthetic fibers.

Reference usage:

1  PVC:

For soft or rigid PVC:

Whitening: 0.01-0.05% (10-50g/100KG material)

Transparent: 0.0001-0.001%(0.1g-1g/100kg material)

2  PS:

Whitening: 0.001% (1g/100kg material)

Transparent: 0.0001-0.001 (0.1-1g/100kg material)

3  ABS:

Adding 0.01-0.05% to ABS can effectively eliminate the original yellow color and achieve a good whitening effect.

4  Polyolefin:

Good whitening effect in polyethylene and polypropylene:

Transparent: 0.0005-0.001%(0.5-1g/100kg material)

Whitening: 0.005-0.05%(5-50g/100kg material)

Package

25kg fiber drum,with PE bag inside or as customer’s request.


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The shopper satisfaction is our primary focus on. We uphold a consistent level of professionalism, quality, credibility and repair for Well-designed Fluorescent Whitening Agent CBS-X - Optical Brightener OB – Subang , The product will supply to all over the world, such as: Rio de Janeiro, Iraq, Grenada, We attained ISO9001 which provides solid foundation for our further development. Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments. It is our great honor to meet your demands. We are sincerely expecting your attention.
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