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Walnut shell grit/ powder for ploshing

Product: Walnut shell

Color: Brown/ yellow

Usage: Abrasive material, water treatment material

Size: 1-2 2-4mm F 16-220 mesh

Packing: 25 kg/bag


Walnut shell is a kind of granular material processed by degreasing, crushing, screening, etc., with microporous surface and good adsorption effect. It is also a natural polishing material and polishing abrasive. Using it as an abrasive will not damage the work piece. Good surface and polishing effect.

Advantages of Walnut Shell

  • High toughness
  • Wear resistance and compression resistance
  • Strong adsorption capacity
  • Insoluble in acid and alkali
  • Good hydrophilicity

Usage of Walnut Shell

  • Polishing
  • Filter material
  • Abrasive material
  • Water treatment

Specification of Walnut Shell

Appearance Granular Color Yellow/Light yellow
Specific Gravity 1.2-1.4 Solubility Insoluble
Volumetric Weight 850kg/m3 Proportion 1.2-1.5g/cm3
Rind Puffing Rate 3% Wear Rate 1.5 %
Oil Removal Efficiency 90-95% Void Ratio 47
Charring Temperature 243C (470F) Bulk Density 0.8g/cm3
Backwashing Strength 25m3/m2.h Particle Shape Irregular
Water Flushing Pressure 0.32MPa Filtration Rate 20-26m/h
PH at 25C in neutral water 4-6 Oil Content 0.25%

Free moisture

(80C for 15HRS)

3-9% Hardness MOH 2.5-4
Suspended Solids

Removal Rate

95-98% Dilatability 0.5%

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