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Walnut Shells

Black Walnut Shell Grit & Flour

English Walnut Shell Grit & Flour

Agrashell Products

Composition Materials pioneered Walnut Shell Blasting with the US Navy in the 1950's. With the introduction of Walnut Shell Blasting, aircraft carriers and submarines were stripped of only their top coating, leaving the expensive undercoats intact. Prior to the introduction of Walnut Shell Blasting, coatings were removed down to bare metal, requiring the replacement of the undercoat, the vinyl coat, and the top coat. Selective Coating Removal with walnut shells originated here and saved the Navy time & money. This blasting technology is used to effectively and safely across a wide range of industries and applications.

With our partner Shellpro's acquisition of Agrashell in 2002, they became the largest manufacturer of walnut shell products and we became the largest supplier of walnut shells in the world. Our consulting service is available to you regarding the use of Walnut Shell Grit, Plasti-Grit, or other members of our Soft Abrasive family of products. 

.Walnut Shell Blasting Media 

Available in Black & English Grades

WALNUT SHELL GRIT SIZES
AD-1B 6/10 mesh
AD-2.5B 8/12 mesh
AD-3B 12/20 mesh
AD-4B 14/30 mesh
AD-6B 18/40 mesh
AD-7B 35/60 mesh
AD-9B 40/100 mesh
AD-10.5B 60/200 mesh

 

Walnut Shell Flour

The properties of Walnut Shell Flour make it an excellent filler for Adhesives & Plastics compounding.

WALNUT SHELL FLOUR GRADES
WF-2 -100
WF-5 -200
WF-7 -325
WF-9 -400

 

Cosmetic Grade Walnut Shell Products

Premier Cosmetics Grade

Our premier Cosmetic Grade Walnut Shell Grit & Flour are available for manufacturing high quality facial scrubs, exfoliants, soaps and creams. Please contact us for more information about our Cosmetic Grade Walnut Shell products.

COSMETIC GRADE WALNUT SHELL

AD-7

 35/60 mesh

AD-9

40/100 mesh

AD-10.5

60/200 mesh

 

Walnut Shell Typical Properties

WALNUT SHELL PROPERTIES
  SPECIFIC GRAVITY
1.35
  BULK DENSITY (lbs./ft3) 40
  PH VALUE (at 25°C in water) 5
  FREE MOISTURE (80° for 15 hrs.) 2-8%
  FLASH POINT (closed cup) 380°F
  OIL ABSORPTION
 55-60%
  ASH CONTENT
0.5%

 

Additional Nutshell Products Available

  • Pecan Shell Grit & Flour
  • Apricot Grit

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