Wholesale to the Public ! We are the cheapest seller of Crushed Ground Walnut Shells
Wholesale to the Public ! We are the cheapest seller of Crushed Ground Walnut Shells
When used as a blasting media, walnut shell grit is extremely durable yet it is a soft abrasive for blasting soft or delicate material, and is extremely effective in removing paint, dirt, grease scale, carbon etc. It remains unchanged and is re-usable when reclaimed in sandblast cabinets.
- Fine Crushed Walnut Shells are used to clean and not damage or dent aluminium, brass, and
sheet metals, the low heat prevents warping of materials. Also used to clean rust, grease,
carbon, or scale on car parts like Carburetors , Intake Manifolds, Turbo Chargers, Exhausts.
Audi, Porsche and BMW do this as part of a Major Service.
- Fine grade can take off single layers of paint or Graffiti, while leaving undercoat or wood
panels undamaged. Does not etch wood.
- Coarse Grade is used by Ships to clear out scale from huge Diesel Turbo Chargers & Exhausts.
Technical info:
Crushed Walnut Shells have a hardness of 3.5 MOH and 91 Rockwell, and a specific gravity of 1.2-1.4 Crushed Walnut shells perform well in a variety of pH and temperature conditions and are resistant to mould & fermentation.
THE HISTORY OF SANDBLASTING WITH CRUSHED WALNUT SHELLS:
In the 1960’s the U.S. Navy pioneered a new method of removing paint from Navy submarines using FINE and MEDIUM CRUSHED WALNUT SHELLS.
The Navy had been refurbishing ship hulls by sandblasting them with abrasive mineral grit that removed all of the layers of paint and coatings down to bare steel, which proved costly to repaint.
They found that FINE Walnut Shells removed the top coating of paint or Graffiti, while leaving the valuable undercoating intact. The coarser MEDIUM Grade was used to take multiple top layers of paint off, while leaving undercoat intact. This innovation offered the Navy significant savings in time and money, and helped pioneer environmentally-friendly paint removal.
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