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China Spherical Ceramic Foundry Sand for Casting Foundry

Spherical Ceramic Foundry Sand for Casting Foundry 

Product Description

Fused ceramic sand, also called as ceramic Foundry Sand, is kind of man-made spherical shape ceramic particles featured by high refractoriness, low thermal expansion made by spraying melted from the fused bauxite. It provides a simple and efficient way in the foundry industry to improving the quality of the castings, reducing the production cost and avoiding environmental pollution so it is much better than silica sand. And it is also good substitution to Chromite sand and Zircon sand because of its lower price. At the present, Ceramic sand is acknowledged in the worldwide as the newest and the best ideal sand for the foundries and has a very wide feasibility of applications for the future development.

Grain type

ball, spherical

Angularity

1.1 max, similar to ball

Bulk density

1.95-2.05 g/cm3

Refractoriness

1790℃

Thermal expansion

0.13% (10 min at 1000 C )

Size

Available in all models, it can also be customized

 

Composition

Content

Al2O3

70-75%

SiO2

8-20%

Fe2O3

≤ 3%

TiO2

≤ 3.5 %

CaO

≤ 0.45 %

MgO

≤ 0.35 %

K2O

≤ 0.33%

Na2O

≤ 0.08 %

 

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