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2025

ADEKA's New Ultimate Performance Novel Clarifier "TRANSPAREX™" Certified by Guinness World Records

Oct. 06, 2025

 ADEKA CORPORATION (President and Chief Executive Officer, Representative Director: Hidetaka Shirozume) announces that its new ultimate performance novel clarifier "TRANSPAREX™" has been certified by Guinness World Records in 2025 as the "Most effective clarifier for polypropylene transparency."

 Plastics are used in every aspect of our daily lives, from household goods and food packaging to construction materials and mobility. Among them, polypropylene (PP) is valued for its light weight, ease of molding, and low environmental impact, as well as its high functionality such as heat resistance and durability. However, PP only weakness is its low transparency, which has led to the use of other plastics in fields where appearance is important.

 TRANSPAREX™ is a new high-performance clarifier that gives PP a glass-like transparency previously unattainable. TRANSPAREX™ was proven by a third-party testing organization to provide overwhelmingly superior transparency compared to several clarifiers currently used in the market, and is certified by Guinness World Records.
 Furthermore, TRANSPAREX™ not only provides world-class transparency to PP, but also achieves this with extremely low dosage level and excellent extraction resistance, balancing various functionalities. It can also impart transparency and functionality to recycled polymers regardless of residual additives, contributing to the promotion of material recycling. These features maximize the value of PP, which is generally considered to have low environmental impact during manufacturing, and contribute to monomaterialization by replacing other polymers.

 The ADEKA Group is strengthening global sales of TRANSPAREX™, aiming to expand the possibilities of PP by imparting "world-class transparency + functionality," replacing other polymers and opening up new applications. Since its launch in November 2024, it has received positive feedback from customers in various markets. We aim to expand the clarifier market to over 50 billion yen by fiscal 2030 (from 30 billion yen in 2024), and to achieve a market share of over 60% (from 14% in 2024), making TRANSPAREX™ the world's top product.


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★The special video to see the features of TRANSPAREX™
URL:https://youtu.be/iE0sw9vExdo

GUINNESS WORLD RECORDS™ Certification Overview

Title

Most effective clarifier for polypropylene transparency

Certified Product

ADK TRANSPAREX™

Certification Date

September 2025

Verification Method

Transparency of PP was tested with four types of clarifiers currently used in the market by a third-party organization (July 25-August 1, 2025). ADK TRANSPAREX™ was proven to have the lowest Haze value* and the highest transparency.
*Haze value: Indicator of transparency. TRANSPAREX™ Haze value: 2.2; Conventional clarifiers: 3.2

251006gwr3.jpg GWRceremony_1.jpg left graph: Transparency comparison test results by third-Party organization (A,B,C and D refers to four types of transparency agents used in the market)
right image: GUINNESS WORLD RECORDS™ certification ceremony at ADEKA CORP. HQ in Sep.

For details, please refer to the following news release (PDF).

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