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alumina grinding beads

Alumina grinding beads

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XINTAO 99 support media, high alumina ceramic ball

Introduction

The XINTAO 99 High Alumina Support Media is in chemical composition99+% 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 XINTAO 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.

Technical Parameter

Model:

XINTAO 99

Color:

White

Shape:

Ball

Typical Technical Composition

Min. %

Max. %

Usual %

SiO2

******

0.2

0.18

Al2O3

99

99.6

99.3

Fe2O3

******

0.2

0.02

TiO2

******

0.55

0.02

CaO

******

0.1

0.2

MgO

******

0.1

0.05

Na2O

******

0.25

0.1

K2O

******

0.2

0.13

Physical properties

Index

Value

Leachable Iron

≤ 0.01%

Apparent Porosity by Weight

≤ 7.0%

Moh's Hardness Scale

>8.0

Water Absorption

<4.0wt.%

Acid Resistance

>99.8%

Thermal Conductivity

0.7-0.8 w/m2 .k

Thermal Expansion @ 500

0.10%

Max. Operating Temperature

1550°C

2822

Specific Density

3.4g /cm3

212 lb /ft3

Bulk Density (Packing Density)

2.1g /cm3

131 lb /ft3

Size /

Crush Strength

Nominal Size

(lbs)

(kg)

(N/pc)

mm

inch

min.

min.

min.

3

1/8"

115

52

510

6

1/4"

230

105

1030

10

3/8"

440

200

1961

13

1/2"

1355

615

6031

16

5/8"

1720

780

7650

19

3/4"

2315

1050

10297

25

1"

3130

1420

13925

38

1-1/2"

4034

1830

17946

50

2"

4960

2250

22065

Packaging & Shipping

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We are a Jiangxi Xintao Technology Co., Ltd. dealing with molecular sieve. This product is characterized by its strong resistance to alkali. Xintao Technology is recognized as the premier molecular sieve provider in this industry. This product is characterized by its strong resistance to alkali.

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Xintao Technology alumina grinding beads can be exclusively designed and manufactured according to consumers' specific requirement. Our film has good flexibility, the effective isolation of various substances and rapid dissolution of water
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