This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

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Ceramic Properties - Quartz (GE124)

The applications for quartz are endless where optical clarity, chemical and thermal resistance and insulation, and hardness are required. Quartz ceramic parts are commonly used in the semiconductor world and the lighting industry.

PropertiesUnitsTestValue
Physical
Chemical FormulaSiO2
Density, rg/cm3ASTM C202.21
Colorwhite/ transparent
Crystal Structurehexagonal
Water Absorption% @R.T.ASTM C3730.0
HardnessMoh's7
Hardnessknoop (kg/mm2)Knoop 100g> 600
Mechanical
Compressive StrengthMPa @ R.T.ASTM C773650 - 1100
Tensile StrengthMPa @ R.T.ACMA Test #448
Modulus of Elasticity
(Young's Mod.)
GPaASTM C84870
Flexural Strength (MOR)MPa @ R.T.ASTM F41780
Poisson's Ratio, uASTM C8180.17
Fracture Toughness, KIcMPa x m1/2Notched Beam Test--
Thermal
Max. Use Temperature
(* denotes inert atm.)
CNo load cond.1200
Thermal Shock ResistanceDT (C)Quenching> 1400
Thermal ConductivityW/m-K @ R.T.ASTM C4081.4
Coefficient of Linear Thermal Expansion, almm/m-C (~25C through 1000C)ASTM C3720.45
Specific Heat, cpcal/g-C @ R.T.ASTM C3510.16
Electrical
Dielectric Constant1MHz @ R.T.ASTM D1503.8
Dielectric StrengthkV/mmASTM D11625 - 40
Electrical ResistivityWcm @ R.T.ASTM D18296 x 1010

This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

Click here to find suppliers

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