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Manufactur standard Fluorescent Brightener EBF - Optical brightener OB Fine – Subang

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  • Manufactur standard Fluorescent Brightener EBF - Optical brightener OB Fine – Subang

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Manufactur standard Fluorescent Brightener EBF - Optical brightener OB Fine – Subang Detail:

1Optical brightener OB  Fine

Structural formula

Product Name: Optical brightener OB Fine

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 300 mesh

Maximum absorption wavelength: 375nm（Ethanol）

Maximum emission wavelength: 435nm（Ethanol）

Properties

Optical brightener OB Fine 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 Fine 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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Manufactur standard Fluorescent Brightener EBF - Optical brightener OB Fine – Subang detail pictures

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The corporate upholds the philosophy of "Be No.1 in excellent, be rooted on credit rating and trustworthiness for growth", will keep on to serve outdated and new clients from home and abroad whole-heatedly for Manufactur standard Fluorescent Brightener EBF - Optical brightener OB Fine – Subang , The product will supply to all over the world, such as: Haiti, Rome, Liberia, So that you can utilize the resource from the expanding info in international trade, we welcome shoppers from everywhere on-line and offline. In spite of the good quality solutions we offer, effective and satisfying consultation service is supplied by our specialist after-sale service team. Product lists and detailed parameters and any other info weil be sent to you timely for your inquiries. So please make contact with us by sending us emails or call us if you have any questions about our corporation. ou may also get our address info from our web page and come to our company to get a field survey of our merchandise. We are confident that we are going to share mutual achievement and create strong co-operation relations with our companions in this marketplace. We're searching forward for your inquiries.
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