Factory wholesale Optical Brightener 378 - Optical Brightener OB-1 – Subang

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We insist about the theory of growth of 'High excellent, Performance, Sincerity and Down-to-earth working approach' to offer you with great company of processing for Fluorescent Whitening Agent OB, Optical Brighteners For Paint, 91-44-1, Great high quality, competitive rates, prompt delivery and dependable assistance are guaranteed Kindly allow us to know your quantity requirement under each size category so that we can easily inform you accordingly.
Factory wholesale Optical Brightener 378 - 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 wholesale Optical Brightener 378 - Optical Brightener OB-1 – Subang detail pictures

Factory wholesale Optical Brightener 378 - Optical Brightener OB-1 – Subang detail pictures


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Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for Factory wholesale Optical Brightener 378 - Optical Brightener OB-1 – Subang , The product will supply to all over the world, such as: United States, Malaysia, Portland, Our company upholds the spirit of "innovation, harmony, team work and sharing, trails, pragmatic progress". Give us a chance and we will prove our capability. With your kind help, we believe that we can create a bright future with you together.
  • This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Maria from Saudi Arabia - 2018.04.25 16:46
    The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Barbara from Holland - 2018.09.29 13:24
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