China Cerabeads Foundry Sand

Name: China Cerabeads Foundry Sand
Brand: StoneContact.com
SKU: 869559
Price: 100 USD
Availability: InStock

Min Order : 1 Tons

Supplier Detail

Zhengzhou Haixu Abrasives Co.,Ltd

Established: Jul 14,1999

China

Main Product:

fused alumina, silicon carbide , Ceramic Sand, tabular alumina, boron carbide, Foundry Sand

Ms.Pan Chen

Tel: +86-371-60900389

Adr: Yaxing Time Square, South Songshan Road, Erqi District, Zhengzhou City, Henan Province, China.

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Product Description

Production Introduction:

China Cerabeads Foundry Sand

Ceramic sand (ceramsite sand)is an advanced substitute of quartz sand in the casting field. Ceramic sand is made from calcined bauxite with the main content of aluminum oxide processed by melting, blowing, sieving and blending. After melting calcined bauxite with 65-90% aluminum oxide in high-temperature electric arc melting device, the outflow of ceramic blown into fine particles. Then after cooling and sieving, the ceramic sand become finished particles with different size grade.

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Characters:

1. Low thermal expansion coefficient

2. High strength with good compressive strength and bending resistance ability and low broke rate.

3. spherical shape,good flow ability,easy to shakeout

4. smooth surface,compact structure

5. chemically neutral material

6. high temperature resistance,good refractoriness

7. Recycle up to 10 times,highly cost effective.

8. Save resin consumption with casting tech such as shell molding,Resin coated sand casting,Vacuum casting,etc.

Performance comparison of ceramic foundry sand, Chromite sand and Zircon Sand:

Index	ceramic foundry sand	Chromite sand	Zircon Sand
PH value	7.65	4.56	8.24
Bulk Density(g/cm3)	1.95-2.05	2.9-3.1	2.6-2.7
True density(g/cm3)	3.4	4.4-4.71	3.9-4.8
Shape	Spherical	Irregular	Irregular
Amount of binder (Waterglass+CO2hardening)	3%----4%	7%----8%	7%---8%
Economic performance	Although higher price than chromite sand and silicon sand, the long term running cost is lower.	Less than ceramic sand	Expensive cost

TYPICAL CHEMICAL ANALYSIS
AL2O3	70-75%
SiO2	8-20%
Fe2O3	≤3%
TiO2	≤3.5%
CaO	≤0.45%
MgO	≤0.35%
K2O	≤0.33%
Na2O	≤0.08%

TYPICAL PHYSICAL PROPERTIES
Refractoriness	≥1800 ℃
Specific gravity:	3.4g/cm3
Bulk density(LPD):	1.95-2.05 g/cm3
Color:	black brown
Grit shape:	spherical Ball
Thermal expansion coefficient	6x10-6 /℃(20-1000℃)
Thermal conductivity	0.698W/M.K(1200℃)
Thermal expansion ratio	0.13%
Angularity	≤1.1
Available sizes
AFS15-20,AFS 15-25,AFS25-35,AFS25-30,AFS30-35,AFS35-40,AFS40-45,AFS45-50,AFS40-50,AFS50-55,AFS55-60,AFS60-65,AFS60-70,AFS70-80,AFS95-110 Customized sizes are available upon request

Applications:

1. Shell molding

2. Precision Casting

3. Lost foam casting

4. Heavy steel casting

5. Resin coated sand casting

6. Vacuum casting

7. Investment casting

How to choose proper grain size for your work:

Applications	Grit Size	AFS SIZE
Foundry sand for Lost foam	8-15#(10#)10-20#,20-30#	AFS25-35
Filler sand	30#
No bake sand including furan resin /alkaline-phenolic resin molding and core making/ Pep set /Sodium-silicate bonded sand	30-50#,40-70#,50-70#,70-140#	AFS35-45,AFS25-35,AFS45-55, AFS55-65,AFS60-70,AFS70-80
Shell molding, resin coated sand casting	50-100#,70-140#,100-200#	AFS55-65,AFS60-70,AFS70-80, AFS95-110
Lost foam casting coating	140-270#,-200#
Molding sand alcohol-based coating	-200#
3D printing, precision casting, investment casting	-140#