The Eco-Friendly Decorative Additive & Filler Material

Sustainable
Sustainable
Affordable
Affordable
Renewable
Renewable

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For a free sample kit of our in-stock walnut shell, just submit your info below.

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Eco-Shell FAQs

Learn the answers to some of the most common questions we receive about using walnut shells for a variety of industries.

We grow and process English walnut shells at our local California farms.

Yes, we have years of experience shipping globally. Contact us for more information.

All our shells come from local California farms and are grown to meet the highest standard in the country.

Have a Project Walnut Shells May Be a Fit For?

Our In-Stock Plastics Size Options

Our sizes are based on U.S sieve standards. Millimeter and inch measurements are approximate. Custom sizes are available upon request.

Download Our Applications & Industries Sizing Sheet

6/10

2.00 mm – 3.35 mm
0.0787 in – 0.1320 in

8/12

1.70 mm – 2.36 mm
0.0661 in – 0.0937 in

12/20

0.85 mm – 1.70 mm
0.0331 in – 0.0661 in

14/30

1.40 mm – 0.66 mm
0.0234 in – 0.0555 in

18/40

0.425 mm – 1.00 mm
0.0165 in – 0.0394 in

20/40

0.425 mm – 0.85 mm
0.0165 in – 0.0331 in

35/60

0.25 mm – 0.50 mm
0.0098 in – 0.0197 in

40/60

0.25 mm – 0.425 mm
0.0098 in – 0.0165 in

40/100

0.15 mm – 0.425 mm
0.0059 in – 0.0165 in

60/100

0.150 mm – 0.25 mm
0.0059 in – 0.0098 in

60/200

.250 mm – .075 mm
.0098 in – .0029 in

60/200 10.5

.300 mm – .075 mm
.0117 in – .0029 in
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