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Home > Catalyst and Auxiliary > UV Absorbers (Find 2 items)

UV Absorbers

A UV absorber prevents damage from UV light and extends the life of a material. Benzotriazole UV absorbers are advanced protection for coatings and polymers in the UV domain. Chemical UV absorbers are used in almost every industry to protect products and enhance their shelf lives. Learn more about UV absorbers, such as their CAS Numbers, properties, materials, and product information from the suppliers on ECHEMI.

Avobenzone

(70356-09-1)
O/W type mild anionic emulsifier/stabilizer, easy to operate and shape. Suitable for PH3~9 range system and exposure system

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Antioxidant 1098

(23128-74-7)
Mainly used in polymers such as polyamide, polyolefin, polystyrene, ABS resin, acetal resin, polyurethane and rubber

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UV Absorbers are currently the most widely used type of light stabilizers, which can absorb the ultraviolet light in sunlight and fluorescent light sources without changing themselves. According to its structure, it can be divided into salicylates, benzophenones, benzotriazoles, substituted acrylonitriles, triazines, etc. The most widely used in industry are benzophenones and benzotriazoles class. "UV Absorbers" on ECHEMI mainly supplies raw materials for UV Absorbers.

More Information

UV absorbers are significant additives that help shield materials from the impacts of ultraviolet radiation, thus enhancing their useful life. These additives, including benzotriazole UV absorbers, protect products from fading, cracking, or yellowing due to exposure to sunlight by absorbing UV rays and converting them into heat. The high efficiency of chemical UV absorbers makes them a highly adopted choice by many industries, especially those where the products may come into contact with the elements or are subjected to high levels of UV radiation.

These absorbers are made with great accuracy to suit various industries as they are stable, compatible, and efficient. Benzotriazole-based systems are very useful in polymer and coating systems where they offer excellent UV protection with minimal disruption to the mechanical properties of the material.

Applications of UV Absorbers are:

● Improving the performance of plastics in the application of outdoor environments.

● The use of UV absorbers on automotive coatings.

● Protection of wooden finishes from the sunrays.

● Enhancing the life expectancies of adhesives and sealants.

● Preventing colour fading in textiles and dyes.

Frequently Asked Questions

What are UV absorbers and how do they work?

UV absorbers are chemical compounds added to materials such as plastics, coatings, cosmetics, and textiles to absorb ultraviolet (UV) radiation from sunlight. They work by converting harmful UV rays into less damaging heat energy, thereby protecting the material or skin from photodegradation, discoloration, or damage. Common types include benzophenones, benzotriazoles, and triazines.

What are the main applications of UV absorbers in industry?

UV absorbers are widely used across multiple industries:1. In plastics and polymers to prevent yellowing and brittleness.2. In automotive coatings to maintain gloss and color stability.3. In personal care products like sunscreens for skin protection.4. In adhesives, inks, and wood finishes to enhance durability under sunlight.Their use ensures product longevity and performance in UV-exposed environments.

How do I choose the right UV absorber for my formulation?

Selecting the right UV absorber depends on several factors:1. Compatibility with your base material (e.g., polymer type or cosmetic emulsion).2. Required wavelength range of UV protection (UVA, UVB, or both).3. Thermal and photochemical stability during processing and use.4. Regulatory compliance, especially for food-contact or cosmetic applications.Consulting technical data sheets and conducting compatibility tests can help identify the optimal UV absorber.

Are UV absorbers safe for use in cosmetics and skincare products?

Yes, many UV absorbers approved by regulatory bodies like the FDA and EU Commission are safe for use in cosmetics and sunscreens when used within recommended concentrations. Common examples include oxybenzone, avobenzone, and octinoxate. However, some ingredients may cause sensitivities in certain individuals, so patch testing and adherence to regional safety guidelines are essential.

What is the difference between UV absorbers and UV stabilizers?

While often used together, UV absorbers and UV stabilizers function differently. UV absorbers absorb UV radiation and convert it into harmless heat, acting as a 'sunscreen' for materials. UV stabilizers—particularly hindered amine light stabilizers (HALS)—interrupt the degradation process caused by free radicals after UV exposure. For maximum protection, formulations often combine both types to provide comprehensive defense against photodegradation.

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