MARKETS/APPLICATIONS:
Though the uses for walnut shells are numerous, some of the more popular uses are listed below:
ABRASIVE:
~Blast cleaning and polishing of soft metals, fiberglass, wood, plastics, precisous stones, aluminum engine components, moulds, armatures, and electric motors
~De-burring of critical and fragile parts without etching, scratching, or changing dimensions
~De-flashing
~Restoration and surface preparation of buildings, bridges, ships, furniture, and vintage cars
COSMETICS:
~Cosmetics scrubs and soaps as a soft abrasive exfoliate
FILTER OR EXTENDER
~Pesticide/Fertilizer carrier
OIL DRILLING INDUSTRY
~Lost circulation material
These shells are also enviornmentally safe in that they are non-toxic and biodegradable; they require no flammable solvents; they are a natural and dust free product; they do not cause Silicosis, which can occur from some sand and silica products; and they're used by many government agencies.
TECH INFO:
Walnut shells are highly durable proven by thier many distinguishing characteristics (some listed below).
Specific gravity (to water) 1.3 to 1.4
Hydrophobic
Hardness (Moh's) 3
Their ability to perform and maintain is further emphasized by their modulus of elasticity in pounds per square inch:
Black Walnut Shells 170,000 Modulus Elas., p.s.i.
English Walnut Shells 10,000+ Modulus Elas., p.s.i.
N.T.Ruddock Company
