- Zhengzhou Haixu Abrasives Co.,LTD
-
Zhengzhou, Henan, China
- Main products: White fused alumina, White corundum, White fused aluminum oxide, Corindon blanc, Electrocorundum 25A, White Alox
Home > Products > Ceramic foundry sand > Investment Casting Sand Al2O3 Based Ceramsite Sand AFS45
Investment Casting Sand Al2O3 Based Ceramsite Sand AFS45
- Tianjin /Qingdao
- T/T L/C PayPal
- 7 days
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Product Details
| Brand Name | HAIXU ABRASIVES | Place of Origin | China | |
| Model Number | AFS30-AFS100 | Shape | Ball | |
| Material | Other, Fused bauxite | CaO Content (%) | 0.45 | |
| MgO Content (%) | 0.35 | SiO2 Content (%) | 8-20 | |
| Al2O3 Content (%) | 70-75 | Refractoriness (Degree) | 1770°< Refractoriness< 2000° |
Product Description
Production Introduction:
Investment casting sand Al2O3 based ceramsite sand AFS45
Ceramic sand ( ceramsite sand)is an advanced substitute for 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 a high-temperature electric arc melting device, the outflow of ceramic is blown into fine particles. Then after cooling and sieving, the ceramic sand becomes finished particles with different size grade.
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 flowability, 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.
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# |
Casting effect:
Package:
FAQ:
Q: Are you a trading company or manufacturer?
A: We are a factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What are your terms of payment?
A: Payment
Q: Which region is your main market?
A: We have many customers from South Korea, Japan, Russia, and North America. Most of those clients cooperated with us for more than 10years.
Contact Us
- Zhengzhou Haixu Abrasives Co.,LTD
- Contact namePan Chen Chat Now
- AddressErqi District, Zhengzhou, Henan
Product Categories
| Ceramic foundry sand |
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