From Fiber to Garment: Protecting Color and Texture
With rising expectations for clothing quality, the textile industry increasingly relies on polymers with strong anti-aging performance. Light, washing, and friction can cause fading, stiffness, and loss of elasticity. Rianlon's solutions preserve color, texture, and durability throughout a garment's life cycle.


One-Stop Solutions Across Applications
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Wearable Technology
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Apparel & Under Garment
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Wearable Technology
For functional fabrics such as swimwear, yoga wear, outer shells, sun-protective clothing, and wrist guards made from common athletic materials like polyester, nylon, and spandex — we also enhance shoes, leather, and similar materials. Rianlon’s anti-oxidation and weather-resistance technologies help these materials keep color, strength, and performance even under frequent wash, sun exposure, or motion.
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Sports Underwear
Sports Underwear
U-pack® Series – Yellowing Resistance Solutions for Bra Padding Enhances resistance to gas fading, phenolic yellowing, and UV damage in polyurethane foam, improving initial color without harmful substances such as phenol or fluorescent brighteners.
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Yoga Wear
Yoga Wear
RIANOX® 245 is a high-molecular-weight hindered phenolic primary antioxidant ideally suited for polyurethane fibre blends. It offers low odor, minimal volatility, and excellent compatibility with those materials, helping to protect against thermal degradation and preserve performance.
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Sole & Shoe Materials
Sole & Shoe Materials
For liquid polyurethane (slurry, raw shoe sole material): U-pack® B7107 / B7905, etc., enhance anti-aging performance with higher efficiency and lighter initial color.
For light-colored rubber elastomer shoe materials: U-pack® B8036 / B8047 significantly improve heat-oxidative aging resistance with minimal impact on initial color.
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High-Temperature Resistance
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Light Resistance
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Anti-Discoloration
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Free of Harmful Substances
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Sports Underwear
Sports Underwear
U-pack® Series – Yellowing Resistance Solutions for Bra Padding Enhances resistance to gas fading, phenolic yellowing, and UV damage in polyurethane foam, improving initial color without harmful substances such as phenol or fluorescent brighteners.
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Yoga Wear
Yoga Wear
RIANOX® 245 is a high-molecular-weight hindered phenolic primary antioxidant ideally suited for polyurethane fibre blends. It offers low odor, minimal volatility, and excellent compatibility with those materials, helping to protect against thermal degradation and preserve performance.
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Sole & Shoe Materials
Sole & Shoe Materials
For liquid polyurethane (slurry, raw shoe sole material): U-pack® B7107 / B7905, etc., enhance anti-aging performance with higher efficiency and lighter initial color.
For light-colored rubber elastomer shoe materials: U-pack® B8036 / B8047 significantly improve heat-oxidative aging resistance with minimal impact on initial color.
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Apparel & Under Garment
Covers common clothing fabrics such as polyester, nylon, spandex, etc.; women’s bras (PU foam padding); as well as sun-protective coatings and functional fabrics for umbrellas, tents, and jackets; plus oxidation and weather resistance enhancement for shoe materials and leather.
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Shoe Upper Materials
Shoe Upper Materials
Recommended products: RIASORB® UV-1135, RIASORB® UV-234, RIASORB® UV-622, RIANOX®1035 for exceptional weather resistance and protection against heat-oxidative aging. These additives boost durability and maintain high performance in demanding environments.
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PU Leather
PU Leather
U-pack® Series – PU Leather Anti-Aging Solution (U-pack® 7905): Effectively addresses aging, cracking, and ammonia oxide-induced reddening in PU leather materials caused by long-term light and heat exposure.
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Sun-Protective Clothing
Sun-Protective Clothing
Recommended UV absorbers RIASORB® UV-234 and stabilizers RIASORB® UV-660,TAD, provide excellent weather resistance and UV absorption, ensuring durability against washing, friction, and perspiration.
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Women's Under Garment
Women's Under Garment
U-pack® B7921P / B7924P : Improves resistance to gas fading, phenolic yellowing, and UV aging in polyurethane bra padding, ensuring better color stability without harmful substances.
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High-Temperature Resistance
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Light Resistance
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Anti-Discoloration
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Free of Harmful Substances
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Shoe Upper Materials
Shoe Upper Materials
Recommended products: RIASORB® UV-1135, RIASORB® UV-234, RIASORB® UV-622, RIANOX®1035 for exceptional weather resistance and protection against heat-oxidative aging. These additives boost durability and maintain high performance in demanding environments.
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PU Leather
PU Leather
U-pack® Series – PU Leather Anti-Aging Solution (U-pack® 7905): Effectively addresses aging, cracking, and ammonia oxide-induced reddening in PU leather materials caused by long-term light and heat exposure.
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Sun-Protective Clothing
Sun-Protective Clothing
Recommended UV absorbers RIASORB® UV-234 and stabilizers RIASORB® UV-660,TAD, provide excellent weather resistance and UV absorption, ensuring durability against washing, friction, and perspiration.
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Women's Under Garment
Women's Under Garment
U-pack® B7921P / B7924P : Improves resistance to gas fading, phenolic yellowing, and UV aging in polyurethane bra padding, ensuring better color stability without harmful substances.
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Solution Advantages
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Tailored Solutions for Emerging Needs
Precisely identifies market trends and delivers tailored anti-aging solutions to meet specific customer requirements.
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End-to-End Technical Support
Provides comprehensive support from laboratory formulation design to industrial production, ensuring smooth implementation and optimization.
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One-Stop Solutions
Delivers full-range anti-aging solutions covering products, technology, and services, based on a complete suite of antioxidants and light stabilizers.
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Extensive Industry Experience
With nearly 30 years of expertise in polymer anti-aging, we serve more than 30 specialized sub-industries, delivering proven and reliable solutions tailored to diverse challenges.


Related Case Studies
Driven by innovation, we continuously provide high-value solutions for global customers.
Recommended Products
We offer a full range of anti-aging additives to enhance material performance and support green development.
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Primary Antioxidants