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Need more technical details for your boron fertilizer application?
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OverviewApplicationTechnical DetailsFertibor vs Market Alternatives
Fertibor > Technical Details

Data Sheet

Discover more product details, including technical features and primary uses of Fertibor.

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Safety Data Sheet

Find proper handling and storage information, as well as important supplier details.

Safety data sheet

Specifications Sheets

Get details on chemical and physical specifications.

Specification sheets

Field Studies

Explore our field studies to see how Fertibor improves crop performance.

Field studies

Technical overview

Fertibor is derived from Disodium Tetraborate Pentahydrate, Na2B4O7 5H2O. You’ll find no added impurities, ingredients, fillers, or coatings.  

Technical features include: 
  • 15% boron content 
  • Physically refined, non-chemically treated 
  • Uniform particle sizing matches standard compact and compound fertilizers 
  • Limited segregation and dust content  
Download product data sheet
Chemical
Boron (B): 15%
Material required for 1 lb (.45kg) of B: 6.7 lb (3.04kg)

Physical
  • Screen: % cumulative.
  • 8: Trace>
  • 200: 98
Bulk density
Loose pack: 63 lb/ft3 (1009 kg/m3)
Tight pack: 71 lb/ft3 (1137 kg/m3)


Containers
Bulk option (super bags):
2500 lb (1134 kg)
Plastic bags: 50 lb (22.7 kg)

Additional resources

Fertibor

Discover the primary characteristics, benefits, and uses of U.S. Borax’s flagship refined boron product.

Watch the video

Rice (Indonesia, Fertibor)

West Java, Indonesia (2011): Yield increase of 8-20%

Learn More

Oil Palm (Malaysia)

Malaysia (2018 - 2019)

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Boron in Soils and Plant Nutrition

A practical guide to boron fertilization: Everything from boron in plant nutrition to diagnosing boron deficiency

Learn More
Coffee (Minas Gerais, Brazil)

Coffee (Minas Gerais, Brazil)

Minas Gerais, Brazil (2016-2017): Highest yield

Learn More

Crop Study: Growing Rice in China

Hear the key results of a two-year rice trial, conducted by U.S. Borax and the International Rice Research Institute, on the effect of borates on rice quality and yield in China.

Watch video

Get more Fertibor information

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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