Walnut shell is a granular material and polishing abrasive that has been processed through crushing, screening, and other processes, with multiple micropores on the surface and good adsorption effect.
Walnut shell filter material has high hardness, wear resistance, good compression resistance, and a pressure resistance of 23.4KgF. It has stable chemical properties, does not dissolve in acids and alkalis, strong adsorption and interception ability, and an adsorption rate of 27-50%. It has good hydrophilicity and resistance to oil immersion, with a specific gravity of g/cm31.25, slightly higher than water. The filling specific gravity is 0.85g/cm3, which is easy to backwash and regenerate. Compared with other filter materials, its advantages are that it directly uses backwashing before filtering, has low operating costs, and low backwashing strength, (6.71/S. m2), fast filtration rate (24-26/n), good effect. The treatment effect of oily water in oil fields is significant, with oil removal reaching 95% and oil content dropping below 5mg/l.
Walnut shell abrasive is a natural polishing material that does not damage the surface of the workpiece and has a good polishing effect. It has excellent wear resistance, uniform particle size, and high shell content. The walnut shell polishing material is mainly used for polishing and deburring in industries such as eyewear accessories, pearl jewelry, buttons, electronic components, stamping parts, etc. Walnut shell particles with strong compressive strength and particle size ranging from 1.25 to 1.60mm have an average compressive limit of 0.2295KN (23.40kgf). Walnut shell particles with a particle size of 0.80-1.00mm have an average compressive limit of 0.165KN (16.84kgf).
Walnut Shell & Corncob are soft blasting media processed from natural hard-fibers of walnut or corn. The major advantage is that fragile components can be cleaned without marking or etching the components’ blasted surfaces. They are suitable for cleaning auto Mobile super chargers and turbine blades, removing unwanted flash residue produced during the molding process from semi-conductor integrated circuit package lead frames without damaging or pitting the package surface. They are also used in power generation stations, turbine overhaul factories and the aerospace industry. Besides these, walnut Shell is widely used for cleaning moulds, motor armatures and motor drives prior to rewinding. Corncob is very light, soft and absorbent. It can be used for cleaning delicate surfaces or brass/brick/stone/wood, engines and engine components as well as mass finishing processes for drying and absorbing water, oil or wax from processed parts and also for fine polishing or brightening of parts.
Walnut shells are commonly used as an abrasive blasting media in industrial applications for surface preparation, cleaning, and polishing.
Product Usage:
1. Oilfield oily wastewater treatment: degreasing and suspended solids.
2. Industrial oily industrial water treatment: degreasing and suspended solids.
3. Civil and industrial water treatment: Remove suspended solids in water and improve water quality.
4. Car seat cushion filling.
5. Abrasive polishing (pearl jewelry, glasses accessories, buttons, electronic parts, stamping parts, hardware tools)
6. Fruit shell powder (soap solution, hand sanitizer) filling, etc.
