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BF320 - Antioxidant for Biodiesel Production

Optimized for Oxidative Stability and Fuel Shelf Life

BF320 is a high-performance liquid antioxidant and metal chelator blend designed to enhance the oxidative stability of biodiesel fuels. Engineered for use with mono-alkyl esters derived from vegetable oils and animal fats, BF320 protects against peroxide formation and decomposition caused by oxidation. It's easy-to-use liquid format disperses uniformly and supports consistent biodiesel quality across various feedstocks.

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Benefits & Features

  • Improves oxidative stability in diverse biodiesel feedstocks
  • Reduces peroxide formation to protect fuel quality
  • Extends shelf life and supports ASTM D6751 compliance
  • Preserves product integrity during storage and transport
  • Provides antioxidant and metal‑chelating protection
  • Easy to integrate into existing biodiesel production systems

Mode of Action

BF320 stabilizes biodiesel by delaying oxidation through a dual mechanism: antioxidant molecules inhibit peroxide formation, while chelating agents neutralize pro-oxidant metals. This synergistic action protects fuel against degradation and preserves fuel quality, especially in biodiesel derived from high-risk or variable feedstocks.

Application and Performance

BF320 is intended for use during or after biodiesel production to prevent oxidation-related spoilage.

In performance trials, BF320 demonstrated:

  • Extended oxidative stability of biodiesel from both soy and mixed feedstocks
  • Uniform dispersion in oil-based systems for reliable performance
  • Flexible dosing range to suit various production conditions

Recommended dosage: 150–500 ppm

The exact rate should be determined based on feedstock type and desired fuel stability. Consult your Kemin representative for tailored recommendations.


Backed by Kemin Expertise

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Technical Services

Our experts collaborate with your team to optimize enzyme integration into existing operations, ensuring seamless implementation and peak performance.

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Customer Laboratory Services

Kemin's Customer Laboratory Services provides tailored lab analyses to help you determine the most effective dosage and evaluate performance metrics for your specific process setup.

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Kemin Application Solutions

Kemin Application Solutions offers onsite support and specialized equipment recommendations to help you accurately dose and monitor enzyme use at your facility.


Learn How to Protect Your Fuel and Extend Its Life

Contact Kemin today to learn how BF320™ improves oxidative stability and extends shelf life in biodiesel production.