Ceramic Foundry Sand
Ceramic Foundry Sand

Ceramic Foundry Sand

Ceramic foundry sand, also called Ceramsite, Green Beads, Green Sand, Ceramic Beads, Spherical Beads,and Cerabeads. It is made by fusing, spraying, sieving and purifying high Alumina Calcined Bauxite. The spherical shape produces high density material with excellent flow characteristics. The main chemical composition is Al2O3 which provides an excellent refractoriness and stability. being considered as a direct replacement for Chrome and Zircon casting grade Sands. Available in a variety of AFS sizes.

 

Specification

 

Chemical composition Al2O3: 70-80%, Fe2O3≤5%
  TiO2≤2.5-3.5%, SiO2: 8-22%
Shape Good Spherical/Ball
Partical size 0.053mm-3.0mm/AFS 20-AFS 200
Bulk density 1.95-2.05 g/cm3
Refractoriness ≥1790 
Thermal expansion 0.13 (heating 10 min under 1000 ℃ )

 

 

Application

Application for ceramic sand

Widely used in foundry industries as follows purpose

1. Resin coated sand

2. Base sand for cold box

3. Base sand for No-bake

4. Filling sand for Lost foam(EPC)

5. Surface sand (substitute for chrome )

6. Drainage sand for steel ladle use

 

Package

Usually 1MT Jumbo bag

Standard exporting package for sea transportation or air delivery

Special packing requirement is acceptable

 

Sieving range

Group

Products Code

10

20

30

40

50

70

100

140

200

270

Pan

AFS Range

Code

um

1700

850

600

425

300

212

150

106

75

53

Pan

20-40

200#

15-40

30-55

15-35

≤3

15-25

30-50

300#

≤10

25-45

35-55

5-15

≤5

≤2

25-29

40-70

400#

≤10

25-45

20-40

5-25

≤7

≤5

35-39

40-100

500#

≤3

10-25

25-40

25-45

10-25

≤10

≤5

45-55

50-100

600#

≤10

10-30

30-50

15-35

≤15

≤5

≤2

≤1

55-65

50-140

650#

≤8

10-25

20-45

20-45

5-20

≤7

≤2

≤1

60-70

70-140

750#

≤10

10-25

25-45

15-35

≤15

≤5

≤2

75-85

100-200

1000#

≤3

10-35

35-55

15-35

≤10

≤5

95-115

140-270

1500#

≤5

5-25

40-60

25-40

≤15

155-175

6-20

NFS

LFC Casting Ceramsite

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