China Wholesale Ceramic Balls For Aquarium Manufacturers Suppliers – Mid-Alumina Ceramic Ball Tower Packing – Zhongtai

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China Wholesale Ceramic Balls For Aquarium Manufacturers Suppliers – Mid-Alumina Ceramic Ball Tower Packing – Zhongtai Detail:

Chemical Composition of Mid-Alumina Ceramic Ball

Al2O3+SiO2	Al2O3	Fe2O3	MgO	K2O+Na2O +CaO	Others
> 93%	45-50%	<1%	<0.5%	<4%	<1%

Physical Properties of Mid-Alumina Ceramic Ball

Item	Value
Water absorption (%)	<2
Bulk density (g/cm3)	1.4-1.5
Specific gravity (g/cm3)	2.4-2.6
Free volume (%)	40
Operation temp.(max) (℃)	1200
Moh’s hardness (scale)	>7
Acid resistance (%)	>99.6
Alkali resistance (%)	>85

Crush Strength of Mid-Alumina Ceramic Ball

Size	Crush strength
Size	Kg/particle	KN/particle
1/8”(3mm)	>35	>0.35
1/4”(6mm)	>60	>0.60
3/8”(10mm)	>85	>0.85
1/2”(13mm)	>185	>1.85
3/4”(19mm)	>487	>4.87
1”(25mm)	>850	>8.5
1-1/2”(38mm)	>1200	>12
2”(50mm)	>5600	>56

Size and Tolerance of Mid-Alumina Ceramic Ball

Size and tolerance (mm)
Size	3/6/9	9/13	19/25/38	50
Tolerance	± 1.0	± 1.5	± 2	± 2.5

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