factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - Optical Brightener OB-1 – Subang

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factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - Optical Brightener OB-1 – Subang Detail:

Structural formula

1

Product Name: Optical brightener OB-1

Chemical Name: 2,2′-(1,2-ethenediyl)bis(4,1-phenylene)bisbenzoxazole

C.I.:393

CAS NO.:1533-45-5

Specifications

Appearance: Bright yellowish green crystal powder

molecular weight: 414

Molecular formula: C28H18N2O2

Melting point: 350-355℃

Maximum absorption wavelength: 374nm

Maximum emission wavelength: 434nm

Properties

Optical brightener OB-1 is crystallized substance, has strong fluorescence. It is odorless, hard to dissolve in water.

It can be used for whitening polyesters, nylon fibre and various plastics such as PET, PP, PC, PS, PE, PVC, etc.

Application

1.Suitable for whitening of fibers such as polyester, nylon and polypropylene.

2.Suitable for whitening and brightening of Polypropylene plastic, ABS, EVA, polystyrene and polycarbonate etc.

3.Suitable for addition in the conventional polymerization of polyester and nylon.

Method

Reference usage:

1  Rigid PVC:

Whitening: 0.01-0.06%(10g-60g/100kg material)

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

2  PS:

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

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

3  PVC:

Whitening: 10g-50g/100kg material

Transparent: 0.1g-1g/100kg material

Package

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

Storage

Store at cool and dry place.


Product detail pictures:

factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - Optical Brightener OB-1 – Subang detail pictures

factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - Optical Brightener OB-1 – Subang detail pictures


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We not only will try our greatest to offer you excellent services to just about every client, but also are ready to receive any suggestion offered by our buyers for factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - Optical Brightener OB-1 – Subang , The product will supply to all over the world, such as: Rio de Janeiro, US, Swiss, Insisting on the high quality generation line management and customers expert assistance, we now have designed our resolution to offer our buyers using the to start with amount getting and just after services practical experience. Maintaining the prevailing friendly relations with our buyers, we however innovate our solution lists all of the time to satisfy the brand new demands and adhere to the most up-to-date development of the market in Malta. We are ready to face the worries and make the improve to understand all the possibilities in international trade.
  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Mag from Swiss - 2017.02.18 15:54
    Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Jeff Wolfe from Venezuela - 2017.12.19 11:10
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