Optical Brightener Ob 1

Product Description

Optical Brightener (OB-1), offered by us is a chemically stable as well as heat resistant whitener that is used to boost the whiteness of several materials. This is provided with brighter appearance and is mainly used for the plastic manufacturing industry so as to give a whiter appearance. Optical Brightener (OB-1), can create brilliance in the fluorescence process and is highly useful for the fibers of polyester as well as nylon. It is highly suited for the temperature engineering plastics, low volatility, good light fastness, outstanding whitening properties etc. It has wide compatibility with organic solvents.

Product details

CAS No	1533-45-5
Form	Powder
Melting Point	355~360 degree C
Color	Green
Purity	Min 99.5%
Loss On Drying	Max 0.5%

Exceptional Whiteness and Brightness Enhancement

Optical Brightener OB-1 is formulated to provide outstanding brightness and whiteness for polymers and fibers. Its high transparency and strong fluorescence (absorption at 374 nm, emission at 434 nm) make it an ideal solution for manufacturers aiming to achieve brilliant results in textiles, plastics, and polyesters. Its yellow-green shade easily integrates with most polymer matrices, ensuring vivid and lasting effects.


Reliable Performance Under Extreme Conditions

With a light fastness grade of 7-8, Optical Brightener OB-1 is designed to withstand prolonged exposure to sunlight and harsh environments without losing effectiveness. Its excellent resistance to heat, chemicals, rubbing, and water ensures stable performance, making it suitable for demanding industrial processes and outdoor applications.


Safe Handling and Environmental Protection

This brightener is classified as non-hazardous, non-poisonous, heavy metal-free, and environmentally safe when used as recommended. Its neutral pH, low moisture content, and odorless nature make it both user-friendly and environmentally responsible. Proper storage in a cool, dry area will preserve its quality for up to 24 months.