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The spherical ceramic foundry sand and new type ceramic coating researched and developed by our company has widely applied on core making of cylinder block and cylinder head of car engines, turbocharger and high-end hydraulic parts. We have our clients as First Automotive Group Corporation (FAW), China National Heavy Duty Truck Group Co., Ltd., and Weichai Power Co., Ltd., ASIMCO Technologies Limited etc.

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Spherical Ceramic Foundry Sand

Spherical Ceramic Foundry Sand is a new type of casting sand with diameter of 0.020mm~3.350mm. It is ball-shaped particle made from bauxite by high-temperature melting in electric-arc furnace, spraying and cooling with the characteristics of high refractoriness and low thermal expansion.

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Product introduction

Spherical Ceramic Foundry Sand is a new type of casting sand with diameter of 0.020mm~3.350mm. It is ball-shaped particle made from bauxite by high-temperature melting in electric-arc furnace, spraying and cooling with the characteristics of high refractoriness and low thermal expansion.

Henan Jinnaiyuan New Materials Tech. Co., Ltd.

Ceramic Foundry Sand

Features

Artificial sand with stable quality

High refractoriness (≥1800℃)

Low thermal expansion

Solid and ball-shaped

Low gas evolution and high permeability can reduce foundry defects

Low bulk density( 1. 9-2.0g/cm³)

High recycling rate

 

Physical and Chemical Properties

Item

Index

Item

Index(%)

Bulk Density(g/ cm³)

1. 95-2.05

Al2O3

65-82

Angle Factor

≤1.1

SiO2

15.32-21.6

Ambient Compressive Strength (Mpa)

46

Fe2O3

1.5-3.0

Refractoriness (℃)

≥1800

MgO

0.23-0.7

Thermal Conductivity (W/m.K)

0.40-0.45

CaO

0.16-1.5

Thermal Expansion Rate%(800-1450℃)

0.03-0.13

TiO2

1.99-2.71

 
Comparison

Henan Jinnaiyuan New Materials Tech. Co., Ltd.

comparison

Sand Core

Applications
 

1. Used in all types of foundry technique like coated sand, resin-bonded sand, sodium silicate sand, and clay-bonded sand.

2. As molding sand and core-making sand for iron casting, steel casting and alloy steel casting.

3. As a substitute for chromite sand for jacket core-making, oil duct core-making, tappet core-making of engine.

4. As facing sand for large steel castings.

5. As dry sand of sand box for EPC process and V method of casting processes.

 

Grain size composition and grain size distribution

Representative Value

mesh

20

30

40

50

70

100

140

200

270

AFS

μm

830

550

380

270

212

150

109

75

53

 

Product Type

350#

5-10

20-35

35-45

10-20

0-5

 

 

 

 

25-35

450#

 

0-10

25-45

25-45

10-25

0-5

 

 

 

35-45

550#

 

 

5-10

25-40

25-45

15-25

0-5

 

 

45-55

650#

 

 

 

10-25

20-40

20-40

15-25

5-8

 

60-70

750#

 

 

 

5-10

20-30

20-40

20-30

5-10

 

75-85

950#

 

 

 

 

5-10

20-40

25-40

10-20

0-5

90-100

1000#

 

 

 

 

0-5

25-40

25-40

15-25

5-10

100-110

1250#

 

 

 

 

 

10-25

20-35

25-45

5-15

124.5-125.5

1450#

 

 

 

 

 

0-5

20-35

25-45

15-25

144.5-145.5

Exhaust Manifould

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