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Aremco AREMCOLOX™ 502-800 Macor® Machinable Glass Ceramic, MGC

Category Ceramic , Glass , Glass Ceramic , Machinable Ceramic
Manufacturer Aremco
Trade Name AREMCOLOX™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Aremco AREMCOLOX™ 502-800 Macor® Machinable Glass Ceramic, MGC.pdf
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Material Notes:
Recommended for temperatures to 1472°F (800°C) and peaks up to 1832°F (1000°C). Demonstrates low thermal conductivity, high strength, high electrical insulation, zero porosity, non-wetting, and coefficient of thermal expansion similar to most metals and sealing glasses. Machines to tight tolerances up to 0.0005”, surface finish of less than 20µin, and polishes to a smoothness of 0.5µin. Used for ultra high vacuum, aerospace, nuclear, wielding, fixturing, and medical applications. Readily machined and no firing required. Bars, disks, rods and plates are available fro 1/16” thick up to 12” diameter.
Physical Properties Metric English Comments
Density 2.52 g/cc
0.0910 lb/in³
Porosity 0.00 %
0.00 %
Mechanical Properties Metric English Comments
Hardness, Knoop 250
250
100g
Hardness, Rockwell A 48
48
Modulus of Elasticity 66.9 GPa
9700 ksi
Modulus of Rupture 0.0940 GPa
13.6 ksi
Compressive Strength 345 MPa
50000 psi
Poissons Ratio 0.29
0.29
Fracture Toughness 1.53 MPa-m½
1.39 ksi-in½
Shear Modulus 25.5 GPa
3700 ksi
Thermal Properties Metric English Comments
CTE, linear 7.40 µm/m-°C

@Temperature -200 - 25.0 °C
4.11 µin/in-°F

@Temperature -328 - 77.0 °F
9.30 µm/m-°C

@Temperature 25.0 - 300 °C
5.17 µin/in-°F

@Temperature 77.0 - 572 °F
11.4 µm/m-°C

@Temperature 25.0 - 600 °C
6.33 µin/in-°F

@Temperature 77.0 - 1110 °F
12.6 µm/m-°C

@Temperature 25.0 - 800 °C
7.00 µin/in-°F

@Temperature 77.0 - 1470 °F
Specific Heat Capacity 0.790 J/g-°C
0.189 BTU/lb-°F
Thermal Conductivity 1.464 W/m-K
10.16 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 800.0 °C
1472 °F
Continuous
1000 °C
1832 °F
No Load
Component Elements Properties Metric English Comments
Al2O3 16 %
16 %
B2O3 7.0 %
7.0 %
K2O 10 %
10 %
MgO 17 %
17 %
Other 4.0 %
4.0 %
SiO2 46 %
46 %
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+16 ohm-cm
>= 1.00e+16 ohm-cm
DC
Dielectric Constant 5.67

@Frequency 8.50e+9 Hz
5.67

@Frequency 8.50e+9 Hz
6.03

@Frequency 1000 Hz
6.03

@Frequency 1000 Hz
Dielectric Strength 39.4 kV/mm

@Thickness 2.54 mm
1000 kV/in

@Thickness 0.100 in
Dissipation Factor 0.0047

@Frequency 1000 Hz
0.0047

@Frequency 1000 Hz
0.0071

@Frequency 8.50e+9 Hz
0.0071

@Frequency 8.50e+9 Hz
Descriptive Properties Value Comments
Weight Loss mg/cm 0.01
Water; pH=7.6; 1 day; 95°C
0.06
Water; pH=7.6; 3 days (water freshened daily); 95°C
0.07
Water; pH=7.6; 3 days; 95°C
0.1
2% Sodium Carbonate; pH = 10.9; 6 hrs; 95°C
0.11
Water; pH=7.6; 6 days (water freshened daily); 95°C
0.3
10% Sodium Bicarbonate; pH = 8.4; 24 hrs; 95°C
0.6
0.2% Nitric Acid; pH = 2.8; 24 hrs; 95°C
10
5% Sodium Hydroxide; pH = 13.2; 6 hrs; 95°C
100
5% Hydrochloric Acid; pH = 0.1; 24 hrs; 95°C
9.4
Water; pH=7.6; 7 days; 95°C
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