Refractory Bricks
New Ceramic Sand Replace Foundry Chromite Sand for Casting

New Ceramic Sand Replace Foundry Chromite Sand for Casting

Ceramic foundry sand also known as fused ceramic, quartz sand is a senior alternative.

Ceramic foundry sand is a high heat resistance, low thermal expansion, and spherical artificial casting sand obtained by spray treatment of a high oxidizing raw material in a molten state to recrystallize. Dense structure, grain shape is very spherical, smooth surface and small surface area.

Grain shape

Round ball shape

Color

Brown- black

Al2O3

≥ 75%

SiO2

8-12%

Fe2O3

≤ 5%

TiO2

≤ 3.5%

Refractoriness

≤ 1700 degree

Angle factor

≤ 1.1

Thermal expansion

0.13% (10 min at 1000 degree

PH

6.5-7.5

Packing density

1.95-2.05g/cm 3

Size

AFS20, 25, 30, 35, 40, 50, 60, 75, 80, 100, 125, 140, or 0.2~0.6mm, 0.3~0.7mm, 0.4~0.9mm, 0.9~1.25mm, 1~2mm, 200mesh, 325mesh etc.


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