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Data Sheet

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

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Safety Data Sheets

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

Technical overview

Anhybor is a solid product, resulting from the dehydration and fusion of borax (Na2B4O7). It's available in three different grades: 12-mesh, 30-mesh, and fine. 

Technical features include: 
  • 20.8% boron content 

  • Physically refined, not chemically treated

  • Limited segregation and dust content

Download product data sheet

Boron (B): 20.8%
Material required for 1 lb (.45kg) of B: 4.81 lb (2.18kg)


12-mesh: For compaction
30-mesh: For compaction
Fine: For coating with the aid of a binder

Bulk density
67 lb/ft3 (1,074 kg/m3)

Available in these bulk options:

  • 2,500 lb (1,000kg) IBC bags

  • 25 lb (11.3kg) plastic bags

More about Anhybor

Fertilizer Solutions for Boron Deficiency in India
Currently, around 45% of arable Indian soil is boron deficient including latent deficient. Many of India’s states have soil that is more than 80% z... Learn More
The major challenges and opportunities to increase micronutrient use in agriculture
The impact of micronutrients on crop production is growing in importance. Learn more in this article from Fertilizer Focus magazine. Learn More
New Fertilizer Products Meet Boron Demand
To meet the growing demand for boron and zinc in fertilization programs, U.S. Borax recently launched Anhybor and Zincubor. Learn More

Get more Anhybor 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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