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