Beihai Huihuang Chemical Ceramic Co., Ltd.

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Alumina Grinding Balls

Place of Origin	Guangxi, China (Mainland)
Brand Name	BHHT

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The alumina grinding ball

The alumina grinding ball has been widely used in ball mills as abrasive media for ceramic raw

materials and glaze materials in ceramic factories, cement factories, enamel factories and

glasswork owing to the excellence of high density, high hardness, high wear resistance. During

the abrasive/grinding processing, ceramic balls will not break up, it will not pollute the grinded

material as well.

Type

According to the content of aluminum

55-65% 65-75% 92% 95%
According to the specification

19mm-60mm

Wear-resisting main technical parameter of ball

Al₂O₃Content	proportion	dont hardness	compression strength	absorbing water rate	wearing and tear rate
55-65-95%	2.7-2.7-3.7g/mm3	≥8.5	≥1690MPa	≤0.2%	0.05%

Main Technical Parameter

Compression Resistance stress	Validweight Intenerate Temperature	Fire Resistance	Channel Density	Refire Shrinkage
≥500kg/CM²	0.1MPa-1450	≥1790	≤21	≤0.1%

Physical Functions

product Name	Proportion g/cm³	Wearing and tear rate g/kg.h	Water absorption %	Grade Mohs Hardness
high Aluminum ceramic balls	3.2-3.5	≤0.3	≤0.05	6
middle Aluminum ceramic balls	2.5-2.7	≤0.5	≤0.2	7
corundum nitride ball	2.8-2.9	≤0.4	≤0.05	8
Ceramic Balls	2.2-2.4	≤5.0	≤0.5	6

Chemistry Functions

product Name	Al₂O₃(%)	SiO₂ (%)	Fe₂O₃ (%)	other (%)
high Aluminum ceramic balls	75-95	24-4	0.3	0.7
middle Aluminum ceramic balls	55-65	40-30	0.5	4.5
corundum nitride ball	60-70	35-25	0.5	4.5
Ceramic Balls	19-23	76-72	0.5	4.5