walnut shell grit/walnut shell sand grain abrasive for sandblasting
INTRODUCTION
Walnut shell polishing media is a hard and fibrous product made from crushed walnut
shells in accordance with International Trade Standard. The walnut shell polishing me
dium is ground to various sizes from coarse to extra fine depending the application,
allowing for a fine degree of control over the desired finish. Walnut shells are used in
many polishing and/or deburring applications.
APPLICATION
-Ground walnut shell polishing media for rusts removal
-Crushed walnut shell grit for deflashing, deburring & finishing operations
-Deflashing parts in electronics industries
-Deburring in plastics and aluminum & zinc die casting industries
-Excellent media for wheel polishing, air polishin and tumbling operations
-Polishing and cleaning of fine metals, glass, fiberglass, plastic, stone and alloys
-Jewelry, gems and watch polishing
PHYSICAL PROPERTIES
Project analysis | Test Data | Project analysis | Test Data |
proportion | 1250kg/cm3 | Cu | 13.2% |
Bulk density | 800kg/cm3 | Mn | 9.5% |
Wear rate | 0.5 % | Zn | 50% |
Puffiness rate | 3% | Ca | 0.5% |
Porosity | 47 | Na | 0.02% |
Oil removal efficiency | >65-95% | K | 0.025% |
ADVANTAGE
1.High hardness, wear resistance, and good pressure resistance.
2.Easy to dissolve in acid and alkali solution.
3.Strong adsorption and dirt-cutting ability. Its adsorption rate is 27-50%.
4.Good hydrophilic, resistant to oil immersed.
5.Easy to backwashing and regeneration. It can be directly used for backwashing before filtering.
6.Low operation cost, and easy to manage.