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The property of ceramic foundry sand determines its superiority in precision casting

(Summary description)The fused ceramic sand is commonly known as ceramic foundry sand, also known as fused ceramsite and ceramsite sand. It is made of high quality bauxite fused in an electric arc furnace. Ceramic foundry

The property of ceramic foundry sand determines its superiority in precision casting

(Summary description)The fused ceramic sand is commonly known as ceramic foundry sand, also known as fused ceramsite and ceramsite sand. It is made of high quality bauxite fused in an electric arc furnace. Ceramic foundry

Information
The fused ceramic sand is commonly known as ceramic foundry sand, also known as fused ceramsite and ceramsite sand. It is made of high quality bauxite fused in an electric arc furnace. Ceramic foundry sand is widely used in a variety of casting methods (investment, full mold, lost pattern, etc.); It is a new foundry sand for professional precision casting, coated sand, self-hardening sand and also used for shot blasting (aluminum, copper, steel castings).
                       
 
Characteristics of Ceramic Foundry Sand
1.The coefficient of thermal expansion is small, the performance can be comparable with zircon sand, with its configuration molding sand, casting will not produce expansion defects.
2.The sand is spherical, has good fluidity and air permeability and easy to be filled.
3.The surface is smooth and the structure is dense, so that the adhesive can cover uniformly.
4.Ceramic foundry sand is a neutral material, acid, alkali adhesive can be used.
5.Ceramic foundry has good recycling performance and high cost performance.
 
Compared with chromite sand and zircon sand, the price of ceramic foundry sand is only 25-50% of zircon sand and chromite sand. At the same time, since the sand grain is spherical and the surface area is small, the added amount of resin can be reduced by 30-50%, and the added amount of water glass is less than or equal to 4%; As a result, the casting defects caused by the binder are reduced and the rate of finished products is increased.
 
1.Ceramic foundry sand has high fire resistance and is easy to collapse.
2.The mullite phase of ceramic foundry sand is much higher than that of sintered products, and it has good refractoriness.
3.Ceramic foundry sand has high thermal conductivity, good stability and no cracking.
 
Ceramic foundry sand has a wide range of applications: It is suitable for lost foam, coated sand, sodium silicate sand, resin sand, precision casting and polishing copper, aluminum items.
 
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Rui Yu

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