JULY 22,2025

Industry Facing High Temperature Challenge: Kinte Materials's High Tg Polyester Resin Solves Powder Coating Agglomeration Problem

Hz info2025-07-22 10:35

Hz info,As the sweltering summer heat and high humidity continue to sweep across the country, with maximum temperatures exceeding 40°C in many regions, the extreme conditions are not only disrupting daily life but also causing significant challenges for the powder coatings industry. The persistent issues of "caking and agglomeration" during production, storage, transportation, and application have become widespread, pressing concerns within the sector.

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Industry experts point out that the root cause of powder coating agglomeration under high temperatures is closely linked to the Glass Transition Temperature (Tg). As the critical temperature where polymers change state, Tg is a core indicator determining the storage stability of powder coatings. When ambient temperatures approach or exceed a powder coating's Tg, the material tends to transition between its glassy and rubbery states, leading to caking, agglomeration, and performance degradation. Polyester resin, being the main component in powder coating formulations, directly impacts the overall storage stability of the product. Therefore, selecting polyester resins with high Tg has emerged as a key strategy for the industry to combat high-temperature challenges.

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Addressing this common industry challenge, Kinte materials has focused on the needs of the powder coatings sector. By optimizing and upgrading formulations tailored to different types of powder coatings, they have launched a series of high-Tg polyester resin products, providing an effective solution to the storage issues caused by high temperatures and humidity.

It is understood that Kinte materials' new high-Tg polyester resin series covers multiple application scenarios:

Sandy Texture Water-Boiling Resistant Polyester NH3306P: Specifically designed for aluminum powder coatings, it combines water-boiling resistance, storage stability, and weather resistance.

Building Material Grade Universal Polyester NH3307P: Features comprehensive enhancements in weather resistance, storage stability, and water-boiling performance.

Impact-Resistant Reinforced Polyester NH3307P-3:Focuses on harsh outdoor environments, offering reinforced mechanical properties and excellent delayed impact resistance.

High-Flexibility Polyester NH8305H-2: Balances high Tg with flexibility, excelling in water-boiling resistance and bendability.

General Industrial High-Flexibility Polyester NH4307: Stands out for its cost-effectiveness and superior impact/bend resistance, suitable for high-gloss flat surfaces.

High-Temperature Building Material Grade Polyester NH8303: Withstands temperatures up to 300°C, meeting the demands of long-term, high-frequency, high-temperature scenarios.

Products like HAA System Polyester NH6587, Hybrid Polyester HH2584, and Polyurethane NH7809 demonstrate respective advantages in storage stability, weather resistance, leveling, mechanical properties, and specific texture preparation.

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From solving the storage challenges under high temperature and humidity to meeting the performance requirements of diverse application scenarios, Kinte materials leverages its core technological strengths to provide stable and reliable solutions for the powder coatings industry. This empowers the sector to maintain production efficiency and product quality even in extreme conditions, continuously driving innovation and development.

DisclaimerThe Institute of Plastic Research makes every effort to ensure the accuracy of the information, reliability of the data, and objectivity and fairness of the content and viewpoints described herein. However, we do not guarantee the accuracy and completeness of the information. Any losses or legal consequences resulting from actions taken based on this information are the sole responsibility of the individual undertaking them.

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