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Walnut Shell Abrasives

Walnut shell abrasive is a versatile media that is crushed carefully, ground and classified to standard mesh sizes for specific uses. They vary from abrasive grits to fine powders. Therefore, walnut shell abrasive have a wide variety of applications,especially in industrial areas, since they have unique physical characteristics and chemical properties.

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Walnut Shell Abrasive

Walnut shell abrasive is a versatile media that is crushed carefully, ground and classified to standard mesh sizes for specific uses. They vary from abrasive grits to fine powders. Therefore, walnut shell abrasive have a wide variety of applications,especially in industrial areas, since they have unique physical characteristics and chemical properties.

Properties

  • Fiber:
  • 90.4%
  • Oil:
  • 0.4%
  • Water:
  • 8.7%
  • Hardness MOH:
  • 2.5-4.0
  • Specific grivity:
  • 1.28
  • PH:
  • 4-6
  • Color:
  • light brown
  • Grain Shape:
  • Appears granular or powdery depending on grade

Advantages

  • Natural material with good Oil absorbability.
  • Environmentally friendly, natural, non-toxic; causes no health or environmental hazards.
  • Long-lasting, reusable and biodegradable.
  • Reduces cycle time of finishing operations; preserves microfinishes.
  • Replaces sand and silica polishing media to avoid the problem of silicosis.
  • Does not produce dust, safe for indoor use.

Application

  • 01

    1.Walnut shell is mainly used for porous materials, polishing materials, water filter materials, precious metal polishing, jewelry polishing, polishing grease, wooden hull, jeans polishing, bamboo and wood products polishing, oily wastewater treatment, degreasing.

  • 02

    Walnut shell filter material widely used in oil field, chemical industry, leather and other industrial wastewater treatment and urban water supply and drainage engineering, is the most ideal water purification filter material of various filters.

Walnut Shell Specification

Sandblasting 5# , 6# ,8#, 10#, 12#,14#,16#,20#,24#,30#,36#,46#,60#,80#,100#,120# ,200#
Filter media 8-16#,12-20# ,10-12#,12-16#,16-20#,20-36#
Polishing 4-6#, 6-10#, 8-12#, 12-20#, 14-30#, 18-40#, 36-60#, 40-100#, 60-200#.
 Skin care  18-40#, 36-60#,40-100#, 60-200#, 100#,200#, 325#, 400#
Pet litter 18-40#, 36-40#, 40-100#, 80-100#.
Appearance Granular
Color Brown
Flash Point 193°C (380°F)
Hardness MOH 2.5-4
Free moisture(80ºC for 15 HRS） 3-9%
Oil Content 0.25%
Volumetric Weight 850kg/m3
Dilatability 0.5%
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

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