Sapphire

Single crystal sapphire offers superior mechanical properties and chemical stability coupled with light transmission.

Applications include GaAs carrier plates, POS scanner window, microwave plasma tubes and windows, fixtures for high temperature equipment and blue LED.

COMPOSITION	UNIT	Al₂0₃
DENSITY	g/cc	3.98
MAX WK TEMP	°C	1900
HARDNESS	Knoop	2000
FLEXURAL	MPa	480
COMPRESSIVE	GPa	2.0
THERMAL CONDUCTIVITY	W/(m°k)	46.06
C.O.T.E.	In / In / °C	5.8 x 10^-7
TENSILE	MPa	400
CRYSTAL STRUCTURE	(hk•l)	Hexagonal System
DIELECTRIC STRENGTH	D.C. Volts Mil @ 0.100" Thick	9.39
COLOR	-	Clear


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