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High Alumina 4mm Ceramic Grinding Media Ball
Get Latest Price
US$ 300
≥5 Pieces
Quick Details
Material:
Alumina Ceramic
Place of Origin:
Jiangxi, China
Model Number:
1/8" 1/4" 3/4" 1/2"
Brand Name:
DKJL
Product Details
High Alumina 4mm Ceramic Grinding Media Ball
Alumina ceramic ball or grinding media ball are widely used as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in many fields such as petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection etc.
Chemical composition
|
Index |
Value |
|
SiO 2 |
75.00 |
|
Al 2 O 3 |
26.00 |
|
Fe 2 O 3 |
0.12 |
|
TiO 2 |
1.40 |
|
CaO |
0.65 |
|
MgO |
0.60 |
|
Na 2 O |
2.00 |
|
K 2 O |
3.50 |
|
Al 2 O 3 + SiO 2 |
96.00 |
Physical properties
|
Index |
Value |
|
Leachable Iron |
≤ 0.1% |
|
Apparent Porosity by Weight, dia. ≥ 10mm |
≤ 0.4% |
|
Apparent Porosity by Weight, dia. = 6mm |
≤ 1.0% |
|
Apparent Porosity by Weight, dia. = 3mm |
≤ 1.0% |
|
Moh's Hardness Scale |
>6.5 |
|
Water Absorption |
<1.0wt.% |
|
Acid Resistance |
>99.8% |
|
Thermal Conductivity |
0.9-1.0 w/m 2 .k |
|
Thermal Expansion @ 500 |
0.20% |
|
Specific Heat |
628-837 j/kgq |
|
Thermal Shock Stability, 500 then water cooling |
10 times |
|
Max. Operating Temperature |
1050 |
|
Specific Density |
2,350 kg /m 3 |
|
Bulk Density (Packing Density) |
1,400 g /cm 3 |
Crush Strength
|
|
Crush Strength |
|||
|
Nominal Size |
(lbs) |
(kg) |
(N/pc) |
|
|
mm |
Inch |
min. |
min. |
min. |
|
3 |
1/8 |
50 |
23 |
225 |
|
6 |
1/4 |
123 |
56 |
550 |
|
10 |
3/8 |
202 |
92 |
902 |
|
13 |
1/2 |
385 |
175 |
1716 |
|
16 |
5/8 |
520 |
236 |
2315 |
|
19 |
3/4 |
978 |
444 |
4355 |
|
25 |
1 |
1428 |
648 |
6355 |
|
38 |
1-1/2 |
2020 |
916 |
8983 |
|
50 |
2 |
2987 |
1355 |
13288 |
Packaging & Shipping
Packing: Standard export woven bag
Shipping: By vessel or plane from any Chinese port
Our Services
Inquiry response: Your inquires will be replied in 24 hours.
Samples support: One samples can be sent by international express.
Delivery time: Your shipment will be load in 7-15days, depends on quantity.
Payment term: T/T, L/C, D/P, D/A, Western Union(Sample only).
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