Walnut shells

walnut shells

Walnut shell is organic, biodegradable and non-toxic abrasive produced from crushed walnut shells. Walnut shell is used to polish and clean soft metals, fiberglass, wood, and stone.

 

Applications:

 

Walnut shell is used to remediation fire & smoke damages, remove graffiti, restore brick, also on automotive restoration and specialty petrochemical or offshore applications where a minimal sparking (non-ferrous abrasive) is required.

 

Advantages:

 

·  Walnut shell cleans metal parts without etching or pitting the surface.

·  Walnut shell does not contain heavy metals or free silica.

·  Could be recycled and used up to 4 times.

·  Minimal risk of sparkling while blasting.

 

Physical properties:

 

Hardness: 2,5 – 3,5 Mohs

Specific gravity: 1,0 – 1,2 g / cm³

Total density: 0,7 kg / dm3

Shape: sharp edge

Storage conditions: dry and covered

Packing: 25 kg bags

 

Grain sizes:

 

0.10 – 0.25 mm
0.20 – 0.45 mm
0.45 – 0.80 mm
0.45 – 1.00 mm
0.80 – 1.30 mm
1.00 – 1.50 mm
1.00 – 1.70 mm
1.30 – 1.70 mm
1.70 – 2.40 mm

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