6-13mm High Alumina Ceramic Ball for Thermal Storage
6-13mm High alumina ceramic ball for thermal storage
Product Description.
The Chemxin 99% High Alumina Support Media is in chemical composition 99% alpha alumina and a maximum 0.2wt% SiO2. Because of its high alumina content and low silica (SiO2 ), it's a very excellent and ideal product for high temperature and steam applications, such as secondary reformers in ammonia processing, where leached silica will coat downstream equipment or foul the catalyst bed.
The Chemxin 99 High Alumina Support Media has very excellent thermal properties, with its high density high-temperature resistance 1550℃, also it's a good choice for heat retention or deceleration media.
For its superior chemical resistance, it's suitable for applications in ole fin processes, such as ethylene dryers, where there's the polymerization problem.
1. Specification.
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Model: |
Chemxin 99 |
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Color: |
White |
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Shape: |
Ball |
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Typical Technical Composition |
Min. % |
Max. % |
Usual % |
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SiO2 |
****** |
0.2 |
0.18 |
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Al2O3 |
90 |
99.6 |
99.3 |
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Fe2O3 |
****** |
0.2 |
0.02 |
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TiO2 |
****** |
0.55 |
0.02 |
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CaO |
****** |
0.1 |
0.2 |
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MgO |
****** |
0.1 |
0.05 |
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Na2O |
****** |
0.25 |
0.1 |
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K2O |
****** |
0.2 |
0.13 |
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Physical properties |
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Index |
Value |
Value |
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Leachable Iron |
≤ 0.01% |
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Apparent Porosity by Weight |
≤ 7.0% |
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Moh's Hardness Scale |
>8.0 |
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Water Absorption |
<4.0wt.% |
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Acid Resistance |
>99.8% |
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Thermal Conductivity |
0.7-0.8 w/m2 .k |
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Thermal Expansion @ 500℃ |
0.10% |
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Thermal Shock Stability, 1000 ℃ |
10 times |
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Max. Operating Temperature |
1550°C |
2822 |
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Specific Density |
3.4g /cm3 |
212 lb /ft3 |
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Bulk Density (Packing Density) |
2.1g /cm3 |
131 lb /ft3 |
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Size / |
Crush Strength |
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Nominal Size |
(lbs) |
(kg) |
(N/pc) |
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mm |
inch |
min. |
min. |
min. |
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3 |
1/8" |
115 |
52 |
510 |
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6 |
1/4" |
230 |
105 |
1030 |
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10 |
3/8" |
440 |
200 |
1961 |
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13 |
1/2" |
1355 |
615 |
6031 |
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16 |
5/8" |
1720 |
780 |
7650 |
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19 |
3/4" |
3344 |
1520 |
14896 |
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25 |
1" |
3432 |
1560 |
15288 |
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38 |
1-1/2" |
4034 |
1830 |
17946 |
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50 |
2" |
4960 |
2250 |
22065 |
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2. Typical Application:
a) high temperature and steam for thermal storage.
b) has very excellent thermal properties, with its high density high-temperature resistance 1550℃,
c) it's suitable for applications in ole fin processes, such as ethylene dryers
Package & Shipment.
Production Process.
Company information.
Certificate.
FAQ.
1).Offer samples?
---Yes.500g free sample is available.
2). Is CHEMXIN a manufacturer or trading company?
---Manufacturer.
4). How long does it take to delivery?
---Within 7-10 days after receipt of 30% deposit.
7). What's your min order quantity?
---Our MOQ is 200KGS
Product Series.
Contact way.
E-mail: sales@chemxin.com
Many thanks for browsing! Welcome your inquiry! Any of your questions will get our prompt attention & reply.
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