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Walnut shell filter material is a water treatment filter material made from high-quality pecan shells and processed through crushing, polishing, cooking, washing, drug treatment, and double screening. Walnut shell filter material has high hardness, good wear resistance and pressure resistance, with a pressure resistance of 23.4kgf. It has stable chemical properties, is insoluble in acid and alkali, has strong adsorption and retention capacity, the adsorption rate is 27-50%, and is well hydrophilic. , anti-oil immersion and other advantages.

Eco-friendly, natural and non-toxic; will not cause health or environmental hazards.
Durable, reusable and biodegradable.
Reduce cycle time for finishing operations; preserve micro-finishes.
Replaces sand and silica polishing media to avoid silicosis problems.
Does not produce dust and is safe for indoor use.
Angular and faceted, it requires no flammable solvents.
Polished surfaces require no drying time.
Cleans precisely without changing dimensions.
Cleaned parts require no additional processing.
Cycle times for finishing operations are significantly reduced.