definition

walnut shell is processed into different specifications of 

powder and granule by absorbing, crushing and 

screening.

specification

6-10, 10-20, 20-30, 20-40, 40-60, 60-80, 

60-100, 100, 200mesh or as per client’s request

feature

High hardness,abrasion resistance,good pressure 

resistance,stable chemical properties,insoluble in 

acid and alkali, high adsorption & sewage interception,

good hydrophily and anti-grease

founction

Used as filter

Used as lost circulation material

It can remove oil and solid 

particles and is easy to 

backwashing in water

treatment.

plugging and leakage-proofing of porous stratum.it brings better effectiong mixing with other plugging materials. 

application

Oil drilling field,chemicals,metallurgy,thermoelectricity,

printing & dyeing,papermaking,brewing industry,curriery industry

packing

25kg/bag or as per client’s request

remark

We can also produce other shells particles such as wild jujube shell, 

cherry shell, peach shell, apricot shell etc.