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Optical Brightener OB

  • Detailed Description

Introduction:

This product is a bright yellow-green crystalline powder, tasteless, with a melting point of 196-203°C and a decomposition temperature of greater than 220°C.

Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and other common organic solvents.

The fluorescent hue is blue light, and the maximum absorption wavelength is 375nm.

Price:

Please contact us or leave your contact info for usage guidelines and latest quotation.

Data:

2

OB

CAS

7128-64-5

Structural formula

C26H26SO2N2

Melting point

196-203 ℃

Color shade

Sharp blue

Fineness

≥ 100 mesh

 

 

Features:

  • Good light transmittance, suitable for transparent plastic products, paint and ink industries
  • It has low toxicity and a wide range of applications
  • Light natural color, pure shade, moderate price

1

Advantages:

  • Quality: 100% standard-met, lab-test and sample test are both welcome
  • Company: 29-year history, a well-known and reliable supplier
  • Samples: Free sample based on freight cost prepaid.
  • Technical support: Instruction of product usage and solutions to production problems

Applications:

  1. This product is used for the whitening treatment of PVC, PS, PE, PP, ABS, and used for the whitening of acetate fiber, polymethyl methacrylate, and foam artificial leather.
  2. Used in varnishes, paints, UV curing coatings, printing inks, fats, oils, packaging materials.
  3. This product can be used as anti-counterfeiting mark when applied in printing ink.
  4. In photography, it can be used to improve the whiteness of the non-image area of the photo, which can convert the photo into fluorescence when irradiated by ultraviolet light.
  5. The recommended dosage for injection blow molding masterbatch, PVC building materials is between 100g and 200g per ton of material, and about 100g for PE and PP materials.
  6. The amount of transparent plastic products added is between 50 and 100 grams per ton.
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