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PBN Crucibles for Precision Application

Pyrolytic Boron Nitride Crucible can withstand high temperatures in a high vacuum environment. It has excellent thermal conductivity, corrosion resistance, and electrical resistance.

CM4065 Sapphire Boat

Catalog No. CM4065
Material Sapphire (Al2O3)
Density 3.97 g/cm3
Size Customized
Crystal System Hexagonal

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CM4065 Sapphire Boat

Sapphire Boat Descriptions

Sapphire Boat, crafted from a transparent single-crystal alumina material, inherits the exceptional chemical stability and remarkable mechanical, thermal, and optical properties inherent to sapphire. Its superiority over commonly used materials like glass and quartz lies in its raw material excellence, making Sapphire Boat an optimal choice for precision applications in various industries.

Sapphire Boat Specifications

Item		Unit		Typical Values
Crystal Structure		-		Hexagonal
Density		g/cm³		3.97
Physical Properties
Poisson's Ratio		-		0.18～0.29
Vickers Hardness		Gpa		22.5
Young's Modulus		Gpa		470
Flexural Strength		MPa		690
Tensile Strength		Mpa		2250
Compressive Strength		MPa		2940
The Thermodynamic Property
Melting Point		ºC		2053
Thermal Conductivity at 20℃		W/m•k		42
CLTE 40-400℃		10^-6/℃		7.0
Speciﬁc Heat Capacity		J/(g・K)		0.75
Electrical Property
Dielectric Strength		MV/m		48
Dielectric Constant at 20℃		MHz		9.3
Dielectric Loss at 20℃		MHz		<1.4x10^-4
Volume Resistivity at 20℃		Ω•cm		>1.0x10¹⁴
Volume Resistivity at 500℃		Ω•cm		1.0x10¹¹
Index of Reﬂection
589nm	No=1.768		Ne=1.760

Sapphire Boat Features

Heat Resistance
Plasma Resistance
Low Dielectric Loss

Sapphire Boat Applications

Ideal for precision applications, Sapphire Boats find primary use in tool manufacturing.

Sapphire Boat Packaging

ACM’s Sapphire Boat undergoes careful handling to minimize damage during storage and transportation, ensuring the preservation of product quality in its original condition.

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