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MACOR® Machinable Glass Ceramic Bar - 10mm x 10mm L 100mm Q0

Formula: SiO₂ 46/Al₂O₃ 16/MgO 17/K₂O 10/B₂O₃ 7
Side Length: 10mm
Side Length (Of Longer Side): 10mm
Length: 100mm
UOM Code: 642-393-96
Legacy Code: MA808110
Distributor Code:
GF64239396
SKU: 1000126034
Product Code: MA80-BR-000110

Material Properties for Glasses

Chemical Resistance
Element Value
5% HCl (Hydrochloric Acid)( mg/cm² ) ~100
0.002 N HNO₃ (Nitric Acid)( mg/cm² ) ~0.6
NaHCO₃ (Sodium Bicarb.)( mg/cm² ) ~0.3
Na₂CO₃ (Sodium Carbonate)( mg/cm² ) ~0.1
5% NaOH (Sodium Hydroxide)( mg/cm² ) ~10
DIN Water Class HGB2
DIN Acid Class 4
DIN Alkali Class A3
Electrical Properties
Element Value
Dielectric constant @1 kHz 6.01
Dielectric constant @8.5 GHz 5.64
Loss Tangent @1 kHz 0.0040
Loss Tangent @8.5 GHz 0.0025
Dielectric Strength (AC)( kV/mm ) 45
Dielectric Strength (DC)( kV/mm ) 129
DC Volume Resistivity( Ω·cm ) 10^17
Mechanical Properties
Element Value
Porosity( % ) 0 (no outgassing)
Tensile modulus( GPa ) 66.9
Hardness - Knoop( kgf mm⁻² ) 250
Hardness - Vickers( kgf mm⁻² ) 400
Shear modulus( GPa ) 25.5
Modulus of rupture( MPa ) 94
Compressive Strength( MPa ) 345 (up to 900 after polishing)
Poisson's Ratio 0.29
Physical Properties
Element Value
Refractive index 0
Useful optical transmission range 0
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( g/cm³ ) 2.52
Thermal Properties
Element Value
CTE (low temp)( °C⁻¹ ) 81 × 10−7
CTE (25 °C → 300 °C)( °C⁻¹ ) 90 × 10−7
CTE (25 °C → 600 °C)( °C⁻¹ ) 112 × 10−7
CTE (25 °C → 800 °C)( °C⁻¹ ) 123 × 10−7
Specific Heat( kJ/kg·°C @25°C ) 0.79
Thermal Conductivity( W/m·°C @25°C ) 1.46
Thermal Diffusivity( m²/s @25°C ) 7.3 × 10−7
Continuous Use Temperature( °C ) 800
Maximum No-Load Temperature( °C ) 1000