Walnut shell grit/ powder for ploshing

Description

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%