High-Strength Ceramic Sand
High-Strength Ceramic Sand 2#
Overview
High-Strength Ceramic Sand 2# is a precision-engineered black spherical material designed for advanced casting applications that demand extreme thermal and mechanical performance. Ideal for iron, steel, and high-temperature aluminum alloy components, it features superior crush resistance, chemical stability, and very low thermal expansion.
Technical Specifications
Appearance: Black, spherical sand
Crush Resistance: High (ISO/API compliant)
Thermal Expansion (1000 °C): ≤ 0.215%
Refractoriness: ≥ 1800 °C
Bulk Density:1.65-1.85 g/cm³
Mohs Hardness: 8.0-9.0
Al₂O₃ Content: 55-65%
SiO₂ Content:30–50%
Fe2O3Content:≤2%
pH Value:Neutral
Detailed Description
As a trusted China TUSHUN OEM factory, we developed High-Strength Ceramic Sand 2# to meet the evolving needs of modern foundries. This high-strength ceramic sand is built for demanding environments where traditional silica or resin-bonded sands fail under heat or mechanical pressure. Its tight grain control and extreme durability make it ideal for automated molding lines and multi-cavity toolings.
The material functions exceptionally well as low thermal expension casting sand, offering dimensional stability in castings with intricate geometries or thin walls. Foundries dealing with core distortion, veining, or inconsistent shakeout cycles turn to this high-strength ceramic sand to stabilize performance and cut rework costs.
Unlike conventional sands, this media is purpose-made by our China OEM factory with stable chemical composition and predictable reclamation behavior. When used as low thermal expension casting sand, it ensures consistent surface finish, reduced binder usage, and minimal casting defects. Automotive, mining, and energy component manufacturers now adopt this high-strength ceramic sand to support leaner, more efficient workflows.
As a specialized China OEM factory, we also support OEM customization—offering AFS range tuning, mesh size adjustments, and supply continuity. With fused properties and high-temperature resistance, this low thermal expension casting sand ensures quality under pressure.
Applications
Heavy-duty steel and iron castings under thermal load
Aluminum alloy parts for automotive and aerospace sectors
3D-printed cores and high-precision shell molds
Critical parts in pumps, mining equipment, and power systems
Benefits
High strength: Excellent crush resistance for deep cores and high-pressure molds
Low expansion: Dimensional stability for high-temperature castings
Thermal endurance: Maintains grain shape under 1000+ °C cycles
Recyclability: Supports 5–10 reclamation cycles
OEM control: Full specification support from experienced China OEM factory
FAQ
Q1: What makes this sand“high strength”compared to traditional options?
A: Its fused structure and ceramic composition provide significantly higher crush resistance and temperature stability than silica or chromite, making it ideal for extreme-duty casting.
Q2: Is it suitable for automated or robotic molding lines?
A: Yes. Its grain uniformity and flow properties work well in high-speed cold-box,shell, and 3D printing systems without adjustment to binder ratios.
Q3: How does it perform as low thermal expansion casting sand?
A: It delivers consistent shrinkage control under thermal cycling, helping prevent veining, cracking, and tolerance loss, especially in thin-wall castings.