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Best quality Ink Dyes - Optical Brightener OB-1 – LEADING

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Color Pigment Paste, Vat Black 16, Vat Brown 68, At present, company name has more than 4000 kinds of products and gained good reputation and big shares on market domestic and overseas.
Best quality Ink Dyes - Optical Brightener OB-1 – LEADING Detail:

Optical Brightener OB-1

C.I. Optical Brightening Agent 393

Cas No. 1533-45-5

Equivalent: Uvitex ERT (Ciba)

  1. Properties:

1). Appearance: Bright Yellow Crystalline Powder

2). Chemical Structure: A Compound Of Diphenylethylene

   Bisbenzoxazole Type.

3). Melting Point: 357-359℃

4). Solubility: Insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride.

5). Others: Excellent fastness to heat and light due to its high boiling point, also good fastness to chlorine-bleaching.

  1. Applications:

It is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an excellent whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester. It is similar to Whitex Xnk, Eastobrite OB-1 made in foreign country.

  1. Directions For Use And Dosage:

The dosage should be 0.01-0.05% on weight of plastic. Mix optical brightener ert with plastic granulars thoroughly before shaping of plastics or drawing-spinning of polyester.

  1. Specifications:

Appearance: Bright Yellow Crystalline Powder

Purity: 99% Min.

Melting Point: 357-359℃

  1. Packaging And Storing:

Packing In 25Kg/50Kg Carton Drums. Stored In Dry And Ventilated Place.


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The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for Best quality Ink Dyes - Optical Brightener OB-1 – LEADING , The product will supply to all over the world, such as: New Delhi, Mozambique, Costa rica, Many kinds of different solutions are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to deliver more support for customers. Welcome all nice buyers communicate details of solutions with us!!
  • This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Lillian from Guinea - 2015.11.06 10:04
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Miranda from Detroit - 2016.05.02 11:33
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