walnut sandblasting powder,walnut polishing media
|Name||Walnut shell powder||Filter type||Activated carbon||Suitable for||Oil, greasy dirt|
|usage||Separate oil from water||Nature||Low temperature resistance, anti – static, acid and alkali resistance||Particle size||200-20mesh|
|PH Value||4-6||Adsorption rate||70（％）||Pressure rate||4.23（kgf）|
Walnut shell is a particle (powder) which has micro holes after degrease , crushing, screening process,it is a perfect sandblasting and polishing abrasive, it can protect parts surface without any damage after sandblasting and polishing due to its nature characters.
Walnut shell powder has stable Chemical properties,non- toxic substances, less dissolution in acid, alkali, water . walnut shell in hydrocholric acid solution wastage is 5%, in sodium hydroxide solution wastage is 3.8%, no deterioration for water quality.
Walnut shell powder widely used in oil field, chemical industry, leather and other industrial wasted water treatment and urban water supply and drainage engineering, is the most ideal water purification filter material , it can also used for burs polishing like glasses accessories,stamping parts,Pearl jewelry, buttons, electronic parts
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