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New Product Foundry AFS 65 Ceramic Sand

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Min. Order / Reference FOB Price
1 Ton	US $399.00/ Ton

Local Area:	Luoyang, Henan, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	REFMAT
Place of Origin:	Henan, China
Shape:	BALL
Material:	Mullite

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Well Priced Concrete Coast Stone
Ceramsite, also called as NFS CERAMSITE-Nice 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.

Nice Foundry Sand provides a simple an defficient 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 Nice Foundry Sand is also good substitution to Chromite sand and Zircon sand because of its lower price.

At the present, Nice Foundry Sand or Ceramsite 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.
Physical&Chemical Properites:
1.Shape: Sphere
2.Angle Factor: ≤1.1
3.Bulk Density: 1.95-2.05 (g/cm3)
4.Refractoriness: ≥1790℃
5.Thermal expansion: 0.13% (10 minutes under 1000℃)
6.Main Chemical composition (typical value as following table):

Typical Chemical Value for Reference:
Unit
Al2O3
SiO2
Fe2O3
TiO2
CaO
MgO
K2O
Na2O
%
75.36
17.72
2.16
3.23
0.43
0.35
0.33
0.08
Particle Size Distribution of Ceramsite
The particle size distribution can be custom-made according to any customer’s specific requirement.
Group
20
30
40
50
70
100
140
200
AFS Range　
Code
850
600
425
300
212
150
106
75
20-40
15-40
30-55
15-35
≤3
　
15-25　
30-50
≤10
25-45
35-55
5-15
≤5
≤2
　
　
25-29
40-70
≤10
25-45
20-40
5-25
≤7
≤5
35-39
40-100
　
≤3
10-25
25-40
25-45
10-25
≤10
≤5
45-55
50-100
　
　
≤10
10-30
30-50
15-35
≤15
≤5
55-65
50-140
　
　
≤8
10-25
20-45
20-45
5-20
≤7
60-70
70-140
　
　
　
≤10
10-25
25-45
15-35
≤15
75-85
100-200
10-35
35-55
15-35
95-115
140-270
≤5
5-25
40-60
155-175
6-20
Advantages:
1. Solid sphere: The shape of Ceramsite is spherical with smooth surface and less surface area and offering a very good flowability and filling ability. To compare with other sands else, less binder is used at the same mold strength and higher venting ability. It also offers the excellent collapsibility
2. Lower thermal expansion rate: It makes the dimensions of castings better, less crack and defect and higher output
3. Lower breakage rate: Ceramsite has a higher density and a very lower breakage rate at the reclaimation. It makes a better reclamations rate to reduce the waste sand and the pollution.
4. High refractoriness: The major chemistry is Al2O3 and SiO2, so mostly mullite and corundum phase in the Ceramsite which will make sure the high refractoriness and thermal stablity. And PH Value appears neutral. It is suitable for all kinds of metaland alloy castings.
Application:
1. In Vacuum(V)-casting and Lost-foam casting (LFC)
2. In Investment Casting, ceramsite can substitute Zircon sand and powder
3. In large size steel castings, ceramite can substitute Chromite
4. Resin Coated Castings
REFMAT has been in producing and supplying Nice Foundry Sand for international market for more than 8 years and has abundant experience in this field.
Our main market is in Korea, ASEAN countries, Middle East, US and enjoy very nice feedback from our customers due to our fast shipment, quality control, warmful service and profession.
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