Optical Brightener OB For Oil-based Coatings

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Product Description

The coating auxiliary brightening agent Optical Brightener OB For Oil-based Coatings is optical brightener OB, and it’s usually used with titanium dioxide, can enhance the whiteness and brightness、transparency of the coatings , but also to prevent the coatings yellowing, fading.

Product Detail

Coatings are generally divided into water-based coatings and oil-based coatings. The biggest difference between oil-based coatings and water-based coatings is the solvent. Because the coatings is liquid, and is painted on the surface of objects, so the whitening agent for the dispersion, stability and weatherability have higher requirements. The coating auxiliary brightening agent of oil coatings is optical brightener OB, and it’s usually used with titanium dioxide.
Oil-based coatings are widely used in building exterior wall coatings, interior wall coatings, household coatings, industrial machinery surface coatings, ships, automobiles and other fields. The optical brightener OB can be used for brightening various normal or low temperature paints, inks, coatings and solvent-based acrylic, epoxy, amino, varnish, UV varnish, color paste and high-grade plastic products.
Optical brightener OB can enhance the whiteness and brightness、transparency of the coatings , but also to prevent the coatings yellowing, fading.Optical brighteners are physical whitening agents, which themselves have no color, and will not destroy the nature of the product. The Optical brightener can not only whiten the product, but also improve the weatherability of the product. The Optical brightener effectively absorbs ultraviolet rays, protects the product and increases the weatherability of the product.

Optical Brightener OB for Oil-based Coatings Pure Powder 99%min with CAS No.7128-64-5.

1.Product description
Optical Brightener OB, 2,5-Di (5-tert-butylbenzoxol-2-yl) thiophene, fluorescent brightener 184, it is very popular and very widely used for Polyester staple fibers whitening, Plastic (such as PVC whitening, PP whitening, PE whitening etc), Rubber, Coating whitening, Paint and Ink whitening, Masterbatch whitening and can be used in combination with titanium dioxide TiO2 to produce a particular brightness and whiteness.

Specification

Name	Optical Brightener OB For Oil-based Coatings
Appearance	Light yellow powder
CAS No.	7128-64-5
Molecular Formula	C26H26N2O2S
Purity	≥99%
Melting point	201-203℃
Ash	≤0.5%
Volatile matter	≤0.3%

2.Product details of Optical Brightener OB For Oil-based Coatings
Place of Origin: China
Brand Name: Ogilvy
Certification: ISO9001
Application:Coating auxiliary Optical Brightener OB mainly used in acetate fiber, paint whitening, coating whitening, paint and ink whitening and other transparent plastics whitening, such as PE whitening and HDPE whitening, PVC whitening and other plastics whitening, but also for recycled plastics whitening.
3.Our advantage
1. Owned factory, owned R&D center and lab.
2.We provide system solution and technique support on your product whitening and coloring.
3.We can provide to you one-stop purchasing on the whitening agent and pigment.
4. As the direct factory, our price can be always 3% lower than the market price.
5.Always a pre-production sample before mass production;Final Inspection before shipment.
6.We provide free samples to customers for trial production.
7.We can 100% guarantee to you on our product quality and delivery time.
8.If indeed any quality problem on our product, we surely must 100% compensate for you.

4.Packing information of Optical Brightener OB For Oil-based Coatings
Usually is 25Kg/cardboard drum with inner double PE liner.