Antioxidant 626
Discover the Best Antioxidant 626 & Ultranox 626 Manufacturers from China
Discover the superior antioxidant solution you’ve been searching for at Wellt. We are the leading manufacturer of Antioxidant 626 – Ultranox 626 in China, ensuring the highest quality for your needs. Experience exceptional results in the cosmetic, pharmaceutical, or industrial industry. Trust the experts at Wellt and unleash the power of our antioxidant solutions. Contact us today for more information and orders.
Home » Plastic Antioxidants » Phosphite Ester » Antioxidant 626
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Introducing Antioxidant 626 from Wellt
Our product brand: Wellnox 626
• Wellt introduces Antioxidant 626, a powerful phosphate ester antioxidant.
• Also known as Bis(2.4-di-t-butylphenyl) Pentaerythritol Diphosphite.
• Offers superior protection and stability to various materials.
• Specially designed for compatibility with other antioxidants such as Wellnox 1010.
• Ideal for use in applications including PE, PP, PET, and food-contacting plastics.
• Highly efficient and cost-effective with recommended dosage of just 0.1%-0.3%.
• Comes in a secure 25kg paper bag with PE-Inlay packaging for convenience.
• Trust in Wellt’s Antioxidant 626 to keep your products safe and stable for longer periods of time.
• Stay ahead of the competition with the power of Wellt’s Antioxidant 626.


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Ultranox 626 Technical Data
Our product brand: Wellnox 626
CAS No.: 26741-53-7
Chemical Name: Bis(2,4-di-t-butylphenyl) Pentaerythritol Diphosphite
Antioxidant 626 & Ultranox 626 Specifications
Appearance: | White crystal powder |
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Melting Point (℃): | 170.0-180.0 |
Volatilizing (%): | 1.0 max |
Free 2,4-ditert-butylphenol (%): | 1.0 max |
Acid value (mg KOH/g): | 1.0 max |
Assay (%): | 95.0 min |
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Antioxidant 626, Ultranox 626 Technical Data Sheet PDF
Click to download accessories for our products
Antioxidant 626 & Ultranox 626 For Sale
Introducing Antioxidant 626 and Ultranox 626 – powerful antioxidants for superior protection against free radicals. Enhance your antioxidant defense and boost overall health. Don’t miss out!
Welcome to Our Ultranox 626 Factory!

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Why Wellt's Ultranox 626
• Ultranox 626 has exceptional thermal stability, making it ideal for high-temperature processing.
• Compatible with a wide range of materials, making it versatile for various industries.
• Enhances product performance by preventing oxidative degradation and improving durability.
• Nonylphenol-free antioxidant, aligning with global sustainability trends.
• Cost-effective solution that delivers high performance at a competitive price point.
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Frequently Asked Questions
Want to know more about Antioxidant 626
Q: What is Ultranox™ 626 Antioxidant?
A: Ultranox™ 626 is a high performance solid phosphite antioxidant that contains no more than 1.0% of 26741-53-7 mfg.
Q: How does Ultranox™ 626 Antioxidant improve gas fading performance?
A: Ultranox™ 626 is an organophosphite antioxidant that improves gas fading performance.
Q: What are the main features of Ultranox™ 626 Antioxidant?
A: Ultranox™ 626 is a high performance solid phosphite antioxidant with excellent color stability during compounding. It is suitable for food contact applications and offers excellent stability.
Q: What are the advantages of using Ultranox™ 626 Antioxidant?
A: Ultranox™ 626 provides excellent color stability during compounding and is suitable for food contact applications. It is an excellent stabilizer and offers high performance.
Q: How can I access the SDS and TDS for Ultranox™ 626 Antioxidant?
A: You can access the Safety Data Sheet (SDS) and Technical Data Sheet (TDS) for Ultranox™ 626 on SI Group’s website.
Q: I am new to ChemPoint, how can I get started with Ultranox™ 626 Antioxidant?
A: If you are new to ChemPoint and want to start using Ultranox™ 626, you can sign in to your ChemPoint account and access the necessary documents and information.
Q: What makes 626 phosphite an excellent choice as an antioxidant?
A: 626 phosphite is an organophosphite antioxidant that improves gas fading performance and offers excellent color stability during compounding.
Q: Is Ultranox™ 626 Antioxidant suitable for high-performance applications?
A: Yes, Ultranox™ 626 is a high performance solid phosphite antioxidant and is suitable for high-performance applications where stability and performance are crucial.
Q: How can I verify if I am in the correct region to use Ultranox™ 626 Antioxidant?
A: If you are unsure about whether you are in the correct region to use Ultranox™ 626, please contact ChemPoint’s customer support for assistance.
Q: What are the key benefits of using Ultranox™ 626 Antioxidant?
A: Ultranox™ 626 is known for its excellent stabilizing properties, high performance, and suitability for food contact applications, making it an excellent choice for various end uses.