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Sell 40/70 mesh high refractoriness ceramic sand for casting

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  • Company Name :Luoyang Ruiyu Ceramic Sand Co.,Ltd.
  • Membership :Free member
  • Registrarion Date :2020. 04. 17
  • CountryRegion:China
  • Address:Gaolong Town, Yanshi Luoyang Henan, China
  • Phone / Fax:86-0379-65110927  /  
  • Contact:Lina
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Ceramic foundry sand is also called alumina sand, nice foundry sand, fused bauxite sand and cerabead. It is made from fine bauxite, by being fused and blown to ball shape. Ceramic foundry sand has good shape, high refractoriness and perfect stability under high temperature. It is a great cost-effective alternative for chromite sand and zircon sand and has been recognized by foundry experts home and abroad.
1.Main Chemical Composition: Al2O3: 65~80% ,Fe2O3≤3% K2O≤0.5%
2. Shape: Sphere, Angle Factor ≤ 1.1
3. Refractoriness: 1825ºC
4. pH: 7.6-7.8
5. Thermal Expansion Rate: 0.13% (10 minutes under 1000ºC)
6. Mineral Phase: Mullite Phase≥85%, Corundum phase + Glass phase ≤15%
7. Bulk Specific Weight: 1.95~2.05(g/cm³)
8. Mohs hardness: 7.5-7.8

1. High Refractoriness
Refractoriness: ≥1800ºC, same level with magnesite and chromite sand, and higher than silica sand, with less sand burning.
2. Low Expansion Rate
Better than magnesite, chromite sand and silica sand, could meet higher accuracy requirement.
3. Low Breakage Rate
Moh's hardness of ceramic Sand being 7.8, and the spherical shape, make it hard to break ceramic Sand.
4. Good Spherical shape
The shape of Ceramic Sand is spherical and the angle factor is less than or equal to 1.1. With smooth surface and perfect shape, Ceramic Sand has smallest superficial area, making the volume added to adhesive and curing agent much less (average 40% - 50% less).

The chemical composition and performance character of ceramic sand make it have broad application prospects in casting fields. It is widely used in V-shaped method casting, resin sand casting, precision casting, cast steel casting, cast iron casting, lost wax casting, solid casting, water glass casting, clay sand casting and lost foam casting.

Spec 40/70 mesh
Quantity 500tons

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  • Sell 40/70 mesh high refractoriness ceramic sand for casting

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