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OEM China Optical Brightener 185 - Optical Brightener KCB – Subang

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  • OEM China Optical Brightener 185 - Optical Brightener KCB – Subang

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Fluorescent Brightener ER, C.I.40674, O-Nitrophenol, We welcome buyers all around the word to make contact with us for foreseeable future small business associations. Our products and solutions are the most beneficial. Once Selected, Perfect Forever!
OEM China Optical Brightener 185 - Optical Brightener KCB – Subang Detail:

Structural formula

1

Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene

C.I.:367

CAS NO.: 5089-22-5/63310-10-1

Technical data:

Appearance: yellowish-green crystal powder

Content: ≥99.0%

Melting point: 210-212℃

Molecular formula: C24H14N2O2

Molecular weight: 362

Solubility: insoluble in water, soluble in organic solvents

Maximum absorption spectrum wavelength: 370nm

Maximum fluorescence emission wavelength: 437nm

Other features: good heat resistance and light resistance; good chemical stability, no reaction with plasticizers, foaming agents, crosslinking agents, etc., good compatibility with polymer materials, and no bleeding.

Application

Optical brightener KCB is one of the best products among many fluorescent whitening agents. Strong whitening effect, bright blue and bright color, it has good heat resistance, weather resistance and chemical stability. It is mainly used for the whitening of plastic and synthetic fiber products, and it also has obvious brightening effect on non-ferrous plastic products. It is also widely used in ethylene/vinyl acetate (EVA) copolymers, which is an excellent variety of optical brighteners in sports shoes. It is also widely used in PE, PP, PVC, PS, ABS, PMMA and other plastic films, molding materials, injection molding materials and polyester fibers. It also has a significant effect on the whitening of paints and natural paints. This variety is the lowest toxic among many varieties of whitening agents. The United States stipulates that it can be used for whitening food packaging materials.

Reference Dosage

For plastics or resins, the general dosage is 0.01-0.03%, that is, about 10-30 grams of BC-111 fluorescent whitening agent is added to 100 kilograms of plastic raw materials. The user can adjust the specific dosage of the whitening agent according to the requirements of whiteness. If an ultraviolet absorber such as titanium dioxide is added to the plastic raw material, the optimal amount of the whitening agent should be adjusted appropriately.

PE : 10-25g/100kg plastic raw material

PP : 10-25g/100kg plastic raw material

PS : 10-20g/100kg plastic raw material

PVC: 10-30g/100kg plastic raw material

ABS : 10-30g/100kg plastic raw material

EVA: 10-30g/100kg resin

If used in transparent plastic film, the reference dosage of brightener: 1-10g/100kg plastic raw material

Packing: 25kg cardboard drum lined with plastic bag or packed according to customer requirements

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OEM China Optical Brightener 185 - Optical Brightener KCB – Subang detail pictures

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The business keeps to the operation concept "scientific management, premium quality and efficiency primacy, customer supreme for OEM China Optical Brightener 185 - Optical Brightener KCB – Subang , The product will supply to all over the world, such as: United Arab Emirates, Cologne, Uganda, Our qualified engineering team will usually be prepared to serve you for consultation and feedback. We are able to also deliver you with absolutely free samples to meet your needs. Best efforts might be made to offer you the ideal service and products. For anyone who is interested in our company and items, please make contact with us by sending us emails or contact us right away. In order to know our solutions and organization. ar more, you can come to our factory to determine it. We are going to usually welcome guests from around the globe to our corporation. o create small business relations with us. Please really feel no cost to speak to us for enterprise. nd we believe we are going to share the most effective trading practical experience with all our merchants.
    • We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Ryan from Latvia - 2018.09.16 11:31
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Modesty from Ghana - 2018.12.11 11:26
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