MACOR® Machinable Glass Ceramic Rod - Ø 12mm L 50mm
Formula: SiO₂ 46/Al₂O₃ 16/MgO 17/K₂O 10/B₂O₃ 7
Diameter: 12mm
Length: 50mm
UOM Code: 591-999-84
Legacy Code: MA807912
Distributor Code: GF59199984
SKU: 1000126147
Product Code: MA80-RD-000112
Diameter: 12mm
Length: 50mm
UOM Code: 591-999-84
Legacy Code: MA807912
Distributor Code: GF59199984
SKU: 1000126147
Product Code: MA80-RD-000112
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 |