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Grade: Shapal¬ Hi-M soft
Formula: AlN/BN
Form: Foil/Film/Sheet
Material: Aluminum Nitride
CAS Number: 24304-00-5
Commodity: Ceramics

Shapal™ Hi-M soft Machinable Aluminum Nitride Sheet

Shapal™ Hi‑M soft Machinable Aluminum Nitride Sheet delivers the same AlN/BN composite in flat plates that saw, route, and drill cleanly with familiar tools. Designers use it as heat spreaders, substrate carriers, and vacuum‑compatible spacers in builds where metals would short or outgas. The sheet’s low thermal expansion helps assemblies stay aligned, while its conductivity pulls heat away from hot spots in compact stacks. Power modules, test fixtures, and semiconductor tools benefit from a clean, stable surface that stands up to temperature swings without flaking or shedding. Because it processes with standard shop equipment, prototypes and custom plates move quickly from drawing to bench, keeping development agile. Typical roles include masks, backers, and fixture plates that must remain flat and electrically quiet. For research and production, Shapal Hi‑M sheet is a practical choice for precise ceramic panels that balance heat management and insulation in tight spaces.
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Tolerances

Foil/Film/Sheet
Thickness ±20%

Material Properties for Ceramics

Chemical Resistance
Element Value
Acids - dilute Fair
Alkalis Poor
Electrical Properties
Element Value
Dielectric constant 7.3
Dielectric strength( kV mm⁻¹ ) 40
Volume resistivity( Ohmcm ) 1.8 x 10¹³@25C
Physical Properties
Element Value
Apparent porosity( % ) 0
Density( gcm⁻³ ) 2.95
Thermal Properties
Element Value
Upper continuous use temperature( C ) 1000-1900
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5.2@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 160
Hardness - Vickers( kgf mm⁻² ) 560
Pultrusions
Element Value
Compressive strength( MPa ) 1000

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