Fused ceramic sand
Fused Ceramic Sand
Overview
Fused ceramsite sand is a premium black spherical material widely used in precision casting processes. Designed to deliver low thermal expansion, excellent collapsibility, and stable dimensional control, it’s ideal for cold-box, no-bake, shell and 3D sand printing workflows. Foundries looking to improve yield and reduce rework in aluminum, iron and steel casting increasingly adopt fused ceramsite as a high-performance alternative.
Technical Specifications
Appearance: Black, spherical ceramic granules
Refractoriness: ≥ 1850 °C
Thermal Expansion (1000 °C): ≤ 0.13%
Bulk Density:1.95 g/cm³-2.05 g/cm³
Hardness: Mohs 7.5–8.0
LOI: ≤ 0.1%
Al₂O₃ Content: Greater than or equal to 70%
SiO₂ Content: 15-25%
pH Value:Neutral(7.1)
Detailed Description
As a trusted China manufacturer, we supply high-quality fused ceramic sand that supports a range of industrial casting needs. The material’s rounded shape, thermal stability, and tight grain control make it especially suited for resin coated sand systems where precision and surface finish are critical.
Many foundries switch to fused ceramic sand to solve issues like veining, burn-on, and poor collapsibility. When used in resin coated sand cores, the media flows easily into fine geometries and delivers consistent compaction, leading to fewer casting defects.
Our position as a specialized China manufacturer ensures strict quality control, stable supply, and cost efficiency, making our fused ceramic sand an ideal fit for foundries seeking better performance without overpaying for zircon or chromite. It performs reliably in high-temperature molds, and integrates well with both automated core shooting lines and 3D printing applications.
Because of its durability and low LOI, fused ceramic sand can be reused across multiple reclamation cycles, especially in resin coated sand processes where heat resistance is essential. More and more buyers now prefer sourcing directly from a China manufacturer for reduced lead time and customization flexibility. Whether you produce aluminum castings or steel components, our fused ceramic sand delivers consistent results.
Applications
Resin-coated cores for aluminum and iron castings
Precision molds in cold-box, no-bake and 3D printing lines
Structural parts in automotive, energy and general engineering industries
Benefits
Low thermal expansion → minimizes dimensional distortion
High sphericity → improves flow and compaction in complex molds
Smooth surface finish → reduces machining time and scrap rate
Reclaimable and clean → less dust, lower cost per cycle
Supply stability → backed by experienced China manufacturer
FAQ
Q1: Can fused ceramsite sand fully replace zircon or chromite in high-temperature casting?
A: Yes. Fused ceramic sand provides comparable thermal performance with a lower cost structure. It is suitable for most resin-coated and shell mold applications, even at elevated temperatures.
Q2: How many times can this ceramic sand be reused in production?
A: With proper thermal or mechanical reclamation, the sand can typically be reused 5–10 times in resin-coated or cold-box systems without significant loss in shape or strength.
Q3: What are the main benefits compared to traditional foundry sands like silica?
A: Fused ceramic sand offers significantly lower thermal expansion, higher sphericity, better casting quality, less burn-on, and a cleaner working environment — especially when used in resin-coated sand lines.