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Diesel Biocide and Lubricity Additive - The Worldwide Standard

  Biobor® JF has been the most widely used and recommended diesel biocide and lubricity additive for over 50 years. Recommended specifically by numerous major diesel engine manufacturers, Biobor JF will eliminate and prevent microbial growth in your diesel fuel and dramatically increase the life of your filters. Additionally, Biobor JF adds lubricity back to ULSD, protecting your injectors and fuel pumps while also preventing corrosion. For the life of your engine and the quality of your fuel, trust Biobor JF, the worldwide standard since 1965.


1 oz. Treats 80 Gallons

8 oz. Treats 640 Gallons

16 oz. Treats 1,280 Gallons 

  • Kills microbial growth in diesel fuel
  • Adds lubricity to ultra-low sulfur fuels
  • Prevents clogged filters
  • Prevents corrosion
  • Military Spec MIL-S-53021A
  • Kills in both water and fuel 

  Biobor JF has been the worldwide standard for the treatment of microbial growth in diesel fuel since 1965. Originally developed for use in the commercial and military aviation industries, Biobor JF has continued to provide a tract record of proven reliability and effectiveness in numerous diesel powered industries for over 48 years. To add to this impressive pedigree, Biobor JF is the only diesel biocide that is recommended by name by many of the major diesel engine manufacturers across the globe.

Microbial Growth:

  When discussing issues in diesel fuel, microbial growth is widely known as the most common reason for fuel related engine failure. Inherently, diesel fuel and fuel tanks have the tendency to accumulate water whether by tank condensation, entrained water from fuel delivery or just receiving a bad batch of fuel. To compound this issue, today's ULSD can successfully carry much higher concentrations of water providing a breeding ground for HUM Bugs (or Hydrocarbon Utilizing Micro-organisms). Hum-bugs live in the water phase of a fuel tank and feed off of the fuel developing dark, slimy gel-like mats. As these colonies of bacteria and fungi grow (potentially at a rate of doubling every 20 minutes), they can quickly clog fuel filters, plug injectors and lead to excessive sludge accumulation. Additionally, their waste products are one of the leading causes of corrosion in fuel tanks and metal components. With the continued use of Biobor JF, microbial growth will be eliminated from the fuel system leading to a sterile fuel system, extending the life of fuel filters and preventing corrosion issues.

Lubricity in Ultra-Low Sulfur Diesel:

  Since the introduction of ULSD, engine manufactures have recognized and encouraged the need for additional lubrication in today's diesel fuels. Due to the refining process necessary to reduce sulfur levels, the natural lubrication properties of diesel fuel have been greatly reduced. Essential to the protection and life of injection systems and fuel pumps, diesel engine owners are seeing a detrimental effect on these systems. Biobor JF has been proven to restore these lubricity levels, exceeding ASTM standards and protecting injectors and pumps from premature wear. (ASTM-D6079 HFRR- engine manufacturer and industry standard testing)

Biobor JF:

  • Kills and prevents microbial growth (bacteria and fungi)
  • Prevents clogged filters that shut down engines
  • Lubricates injectors and fuel pumps
  • Dual Phase - soluble in both water and fuel phases for a more effective kill
  • Prevents corrosion of fuel tanks and metal components
  • Eliminates excessive sludge accumulation and expensive fuel polishing
  • Recommended in diesel engine operations manuals worldwide!
  • 1oz treats 80 gallons - extremely cost efficient
  • Recommended for use in "All the Fuel, All the Time"

   Solve the two most common issues faced by diesel engine owners with the one product used by engine manufacturers, commercial airlines, the US Military and diesel vessel operators alike, Biobor JF.

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  • This product was added to our catalog on Wednesday 24 February, 2016.
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