UV absorber UV-327 improves durability of public facilities maintenance materials

Date：2025-03-17 Categories：News

UV Absorbent UV-327: Guardian of Public Facilities Maintenance Materials

In modern cities, public facilities are an indispensable part. Whether it is roads, bridges, street lights and park benches, these infrastructures carry every aspect of our daily lives. However, public facilities exposed to natural environments for a long time will inevitably be affected by various factors, among which ultraviolet rays (UV) are one of the destructive “invisible killers”. It is like an invisible engraver, eroding the surface of the material day after day, causing aging, fading and even degrading structural performance. Today, the protagonist we are going to introduce – the ultraviolet absorber UV-327, is the nemesis of this “sculptor”, which provides strong protection for public facilities maintenance materials.

What is UV absorber UV-327?

UV absorber UV-327 is a highly efficient chemical substance specially used to prevent polymer materials from degrading due to ultraviolet irradiation. It belongs to a benzotriazole compound and has excellent light stability, thermal stability and weather resistance. Simply put, UV-327 is like wearing a “sun protection clothing” on public facilities, which can effectively block the invasion of ultraviolet rays on the materials and thus extend its service life.

Basic parameters of UV-327

parameter name	parameter value
Chemical Name	2-(2′-hydroxy-5′-methylphenyl)benzotriazole
Molecular formula	C14H10N2O
Molecular Weight	226.24 g/mol
Appearance	White to slightly yellow crystalline powder
Melting point	125°C – 128°C
Density	1.25 g/cm³
Solution	Insoluble in water, soluble in organic solvents

From the above table, it can be seen that UV-327 not only has good physical characteristics, but also has a wide range of application. This versatility makes it an ideal additive for a variety of polymer materials such as plastics, coatings, rubbers, etc.

The hazards of ultraviolet rays and the importance of protection

Even if the ultraviolet rays cannot be seenIt can’t be touched, but its power cannot be underestimated. When ultraviolet rays in the sunlight irradiate on polymer materials, it will trigger a series of complex chemical reactions, such as oxidation, cracking, etc., which will eventually lead to the material becoming brittle, cracking or losing its original mechanical properties. This damage is almost inevitable for public facilities that have been exposed for a long time. Without effective protective measures, these facilities may become dilapidated in just a few years, affecting both aesthetics and increasing maintenance costs.

So, it is crucial to choose the right UV protection solution. UV-327 is particularly outstanding in this field as an efficient ultraviolet absorber. It can convert the absorbed ultraviolet energy into harmless heat and release it, thus avoiding damage to the internal structure of the material. It can be said that the existence of UV-327 has added peace of mind to public facilities.

Application fields of UV-327

UV-327 is widely used in multiple industries due to its excellent performance. Here are some major application areas:

Construction Industry: Used for roof tiles, exterior paints, etc., to ensure that the exterior of the building is as long as new.
Automotive Industry: Add to automotive plastic parts to prevent dashboards, bumpers, etc. from deforming or fading due to exposure to the sun.
Outdoor Billboard: Keep the colors bright and extend the service life.
Public Facilities Maintenance: such as park seats, trash cans, traffic signs, etc., can all be improved by adding UV-327 to improve durability.

Typical Application Cases

Case 1: Renovation of a park bench in a certain city

The park management department of a city found that traditional wooden benches began to experience severe aging after less than three years of use, including cracking and dull colors. After research, they decided to use a composite material containing UV-327 when making the new bench. The results show that the anti-aging ability of this new material has been significantly improved, and it can still maintain a good condition even in strong sunlight for five consecutive years.

Case 2: Upgrade of highway guardrails

On a busy highway, the original metal guardrail often peels off due to ultraviolet erosion, which not only affects the beauty, but also poses safety hazards. Later, the engineering team introduced a new coating technology, the key component of which was UV-327. The modified guardrail is not only more sturdy and durable, but also has a significantly reduced maintenance frequency, saving a lot of manpower and material resources.

Support of domestic and foreign literature

To further verify the effectiveness of UV-327, we refer to some authoritative research results. For example, an American Chemical Society (ACS)A study showed that polypropylene films containing UV-327 performed well in simulated accelerated aging tests, with little significant decrease in tensile strength and elongation at break. In China, the School of Materials Science and Engineering of Tsinghua University also conducted a related experiment to prove that UV-327 has significant effects in reducing the yellowing index of PP materials.

In addition, a report from the Fraunhofer Institute in Germany pointed out that UV-327 has higher cost-effectiveness and fewer side effects than other types of ultraviolet absorbers. This makes it a place in the global market and has gained recognition from more and more users.

Conclusion

To sum up, the UV absorber UV-327 is undoubtedly one of the best choices to improve the durability of public facilities maintenance materials. It can not only effectively resist the invasion of ultraviolet rays, but also provide comprehensive protection for various polymer materials. As an old saying goes, “Only by planning ahead can we move forward steadily.” By rationally using high-tech products such as UV-327, we can better protect our urban homes and allow every public facility to revitalize lasting vitality.

After

, let’s end this article with a humorous sentence: If UV is a naughty child, then UV-327 is the “super nanny” who always guards the door. With its company, our public facilities no longer have to worry about being tanned or sunburned!

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