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Eco-Shell, Inc. produces over 30 grades of processed walnut shell. Standard coarse grades include U.S. Sieve sizes 4/6, 4/20, 6/10, 8/12 and Shellscape. The specialized milling equipment used to process their coarse grades produce sharp, angular, multi-faceted media.

The most common applications for Eco-Shell's Coarse Grades of Aggregates are:

• Tumbling and/or Vibratory Polishing
• Deburring and Deflashing
• (Oil) Drilling Fluids Components
• Decorative Additive for Resin Molded Fixtures & Terrazzo Flooring
• Decorative Landscaping in place of bark or rock
• Weed Barrier for pathways
• Infill Material to improve drainage
• Pesticide Carrier
• Filler

At Eco-Shell, Inc. they believe in never limiting the applications and industries in which walnut shell can be used. They offer custom grinding and samples are available for research and development projects. They work directly with organizations and assist where they can to discover new uses for this amazing by-product.

Dual Screen Aggregates have the following characteristics:

• pH VALUE AT 25°C (IN WATER): 4 - 6
• FREE MOISTURE (80°C FOR 15HRS): 3 - 9%
• FLASH POINT (CLOSED CUP): 380°
• HARDNESS - VICKERS NO.: 25 - 30
• MOHS SCALE: 3 - 4 DRY
• BULK MODULUS (PSI): 21,000+ to 29,000+
• DRY PACKING DENSITY:
• 4/6 - 31 Lbs. per Cubic Foot
• 4/20 - 43 Lbs. per Cubic Foot
• 6/10 - 40 Lbs. per Cubic Foot
• 8/12 - 39 Lbs. per Cubic Foot
• Shellscape - 22 Lbs. per Cubic Foot

Chemical Analysis:

• Nitrogen - 0.10
• Cellulose - 40/60
• Lignin - 20/30
• Toluene Solubility - 0.5/1.0
• Methoxyl - 6.5
• Chlorine - 0.10
• Ash - 1.5
• Cutin - 1.0