8-20 mesh Bulk Walnut Shell /Walnut in Shell/Walnut Shell Powder for Sale
High absorption walnut shell filter media
Product Introduction:
Walnut shell filtering material is made of high quality walnut shell,through crushing,polishing,steaming and washing,high temperature treatment,two times screening processing.Walnut shell filtering material with high hardness,wear resistance,good pressure resistance,stable chemical property,do not dissolve in acid and alkali.It have excellent adsorption sewage interception capability and adsorption rate is 27-50%,with good hydrophilicity,oil resistance,etc.
Specifications of our Walnut Shell
| Appearance | Granular |
| Color | Brown |
| Flash Point | 193°C (380°F) |
| Charring Temperature | 243°C (470°F) |
| Specific Gravity | 1.2-1.4 |
| Hardness | MOH 2.5-4 |
| PH at 25°C in neutral wate | 4-6 |
| Free moisture(80ºC for 15 HRS) | 3-9% |
| Oil Content | 0.25% |
| Volumetric Weight | 850kg/m3 |
| Dilatability | 0.5% |
| Solubility | Insoluble |
| Particle Shape | Irregular |
| Proportion | 1.2-1.5g/cm3 |
| Bulk Density | 0.8g/cm3 |
| Wear Rate | ≤1.5 % |
| Rind Puffing Rate | 3% |
| Void Ratio | 47 |
| Oil Removal Efficiency | 90-95% |
| Suspended Solids Removal Rate | 95-98% |
| Filtration Rate | 20-26m/h |
| Backwashing Strength | 25m3/m2.h |
| Water Flushing Pressure | 0.32MPa |
Physical and chemical performance index
| Model | Size (mm) | Model | Size (mm) |
| 6# | 3.35-4.00 | 35# | 0.500-0.600 |
| 7# | 2.80-3.35 | 45# | 0.355-0.500 |
| 8# | 2.36-2.80 | 60# | 0.250-0.355 |
| 10# | 2.00-2.36 | 80# | 0.180-0.250 |
| 12# | 1.70-2.00 | 100# | 0.150-0.180 |
| 14# | 1.40-1.70 | 120# | 0.125-0.150 |
| 16# | 1.18-1.40 | 150# | 0.100-0.125 |
| 18# | 1.00-1.18 | 180# | 0.080-0.100 |
| 20# | 0.850-1.00 | 200# | 0.075-0.080 |
| 25# | 0.710-0.850 | 240# | 0.063-0.075 |
| 30# | 0.600-0.710 | 280# | 0.050-0.06 |
What Applications of our Walnut Shell for Abrasives ?
The Walnut Shell can be used as abrasive, filter and stuffing material.
As abrasive material:
Pearls and jewels polishing
Electronic components polishing and deburring
Punching parts polishing and deburring
Spectacle fittings polishing and deburring
Button polishing and deburring
As filter material:
Containing oil Industrial water treatment
Industrial sewage treatment
Environmental protection equipment filter
Water purification filter material
Residential water treatment
As stuffing material:
Sealing off the ground fissures in oil drilling
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FAQ:
1. Payment term:
T/T, Western Union, Money Gram, PayPal; all could be acceptable with discussion.
2. Delivery Time:
If the size we have storage, could dilivery within 3 days.
If the size you need haven't storage, production time would be 7-15 days based on our production schedule.
Anyway, would try best to delivery our walnut shell as earlier as possible with your requirements!
3. MOQ:
Even 1 kg is possible!
4. Package Information:
20kg/inner thick plastic bag, further put it into wooden barrel or paper bag, palletized, or as customer's request!
5. The nearest port of our factory:
Tianjin and Qingdao port!
Also could send our walnut shell to any port you need my dear Customer~
6. The time for deliver our walnut shell to Tianjin or Qingdao port:
1-2 days.
7. How to insure the quality and quantity of our walnut shell?
We have ISO9001 certificate for our whole production. Own high tecnical professional lab.
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