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Denka Electron Co., Ltd. UV-328 Non-Containing Certificate

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*The following is an explanatory article regarding UV328 regulations.

Did you know that the ultraviolet absorber "UV-328" is subject to regulations?

Conclusion: UV-328 is subject to strict restrictions both domestically and internationally due to concerns about environmental pollution and bioaccumulation.

UV-328 is an additive that has been used in many plastic products and paints.
This article provides an overview of UV-328 and introduces international regulatory trends .


UV-328 has been used to prevent deterioration due to ultraviolet rays.

UV-328 (2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol) has been used to prevent deterioration of plastics, rubber, paints, etc. by absorbing ultraviolet rays.

But on the other hand:

  • Extremely difficult to decompose and remains in the environment for a long time

  • Highly toxic to aquatic organisms and mammals, highly bioaccumulative

These characteristics have been pointed out and they are now subject to international regulations.


International regulatory trends regarding UV-328

Regulatory bodies/legal systems Content
Stockholm Convention (POPs Convention) In 2023, it was decided to add it to the list of persistent organic pollutants (POPs) . It is prohibited in principle. Import and export are subject to significant restrictions, except for specific uses.
REACH Regulation (EU) It was added to the list of SVHC (Substances of Very High Concern) in 2021. It is highly likely to become a restricted substance in the future, and information must be disclosed when it is contained in products.
TSCA (USA) Designated as a substance subject to priority assessment. Restrictions on use and reporting obligations may be expanded in the future.

Points to note when designing and exporting products

  • When exporting overseas (especially to the EU and North America), there are an increasing number of cases where proof that the product does not contain UV-328 is required.

  • Since they may be contained in resin raw materials or paint materials, it is important to investigate their content at the component level .

  • May be subject to listing on product SDS (Safety Data Sheet) and SCIP registration .


Substitution and Corporate Responsibility

Reducing the use of substances of very high concern such as UV-328 is not only a way to comply with regulations, but also serves as an appealing point for companies to improve their environmental awareness and credibility .

  • Switching to environmentally friendly materials and alternative UV absorbers

  • Requesting raw material and ingredient manufacturers to confirm content

  • Strengthening the internal substance management system

However, this is an effective way to prepare for future expansion of regulations.


summary

  • UV-328 is a hazardous substance that is banned and restricted worldwide under the POPs Treaty.

  • Subject to stricter regulations under REACH and TSCA

  • Care must be taken when exporting products and selecting materials

  • The key to the future is the use of alternative materials and the establishment of an information disclosure system

If you need help investigating whether a product contains UV-328 or creating a certificate, please feel free to contact us.

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