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Walnut Shell Abrasives

Silk Road Abrasives’ Walnut Shell Abrasive is a versatile media, carefully crushed, ground, and classified into specific standard mesh sizes for various purposes. They range from abrasives to fine powders. With its eco-friendliness, low loss, wide application areas, and a range of advantageous features, Walnut Shell Abrasive finds extensive application in various industrial sectors.

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Physical properties
Grain Shape: Sub-angular to Angular
Color： Light Brown
Specific Gravity:  1.2 – 1.4
Hardness： Mohs 3-4
Bulk density: depending on grain size
Typical chemical analysis
Free moisture(80ºC for 15 HRS） 6%
Oil Content 0.25%
Dilatability 0.50%
Nitrogen 0.40%
This is a 100% natural product and contains no silica.
Available grain sizes
(Average grain size)
Sandblasting 5# , 6# ,8#, 10#, 12#,14#,16#,20#,24#,30#,36#,46#,60#,80#,100#,120# ,200#
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#
Other particle sizes: 6 – 10 Mesh (coarse)，8 – 12 Mesh (coarse)，12 – 20 Mesh (medium)，18 – 40 Mesh (fine)
Other sizes available on request

Benefits and Advantages

  • Cost-Effectiveness: Walnut shell abrasive is a relatively inexpensive media that can be reused, resulting in significant long-term cost savings.

  • Environmentally Friendly: Our walnut shell particles are biodegradable, non-toxic, and silica-free, aiding your company's compliance with stringent environmental regulations.

  • Safety: Walnut shell blasting and polishing processes are non-toxic, generating no dust or pollutants, ensuring a safer work environment for your employees.

  • Efficiency: Walnut shell abrasive blasting offers a more efficient dry finishing process, eliminating the additional time-consuming steps associated with wet blasting.

Application areas (including but not limited to)

  • boats, bridges, and buildings

    Cleaning metal surfaces of automobiles, boats, bridges, and buildings.

  • Cleaning aircraft engines

    Cleaning aircraft engines and steam turbines.

  • Removing paint

    Removing paint, flash, burrs, and other defects from plastics, alloy die castings, and electronic products.

  • Used for porous materials

    Used for porous materials, polishing materials, water filtration materials, precious metal polishing, jewelry polishing, and more.

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