Polished alumina ceramic jars. These jars are used whenever small quantity of samples need to be grinded. They are extensively applied to in the fields of Paint, Ink, Geology, Metallurgy, Electronics, Construction Material, Ceramics, Chemical Engineering, Light Industry, Medicine, Environmental Protection and so on. Each jar set includes grinding jar, jar lid, rubber sealing gasket and different sizes of mixed alumina ceramic grinding balls.
Item No. : DECO-ALO-(0.1L~5L)
Material : alumina ceramic -Al2O3
Dimension : ODM/OEM service
Jar Volume : 100ml to 5000ml
Max Loading Capacity : 2/3 capacity of the grinding jar
Density : 3.8 g/cm3
Color : ivory white
Shape : cylindrical
Hardness : >80 HRA
Abrasion Resistance : fairly good
Suitable for : medium-hard, fibrous samples
Attachment : lid and rubber sealing gasket
Grind Balls : alumina ceramic balls (should be ordered separately)
Grind Ball Sizes : 5/10/15/20mm available
Aluminium Oxide -Al2O3
Dimensions (OEM service)
Choice of Grinding Jars & Grinding Balls
In order to prevent excessive abrasion, the hardness of the grinding jars used and of the grinding balls must be higher than that of the material used. Normally, grinding jars and grinding balls of the same material should be chosen.
Gringing Jar Ball Configurations
Grinding Jar Volume
Compatible Ball Weight
Φ5mm grinding balls (0.25 g/pc)
Φ10mm grinding balls (1.99 g/pc)
Φ15mm grinding balls (6.72 g/pc)
Φ20mm grinding balls (15.92 g/pc)
These values are just clues: the number of balls should be determined experimentally if necessary.
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