Macor® machinable ceramic

Machined part in Macor

Final Advanced Materials provides Macor®, machinable high temperature ceramic. We offer boards, rods or machined parts according to your drawings.

Macor®machinable glass ceramic is recognized worldwide to be a major technological innovation, as well as a technical solution for a wide range of industrial applications. Opening a wide range of possibilities Macor® gives the performance of a technical ceramic with the versatility of a high performance polymer, while providing the machinability of a soft metal. As a result, Macor® is an outstanding engineering material which can quickly be designed into highly complex shapes, using conventional metalworking tools.

Macor® main characteristics

  • Easily machinable
  • Withstands high temperatures
  • Low thermal conductivity
  • Holds tight tolerances
  • Electrical insulator
  • Zero porosity and no outgassing
  • Strong & rigid
  • Highly polishable
  • Radiation resistant

Macor® applications

  • Constant and ultra-high vacuum environments
  • Laser technology
  • Semiconductor, electronic
  • Aerospace, space
  • Medical, laboratory equipment
  • Fixtures
  • Chemical
  • Automobile
  • Military
  • Nuclear

Technical data

Properties

Units

Macor®

Physical characteristics

Density

g/cm3

2.52

Porosity

%

0

Water uptake

%

0

Mechanical characteristics

Hardness

Rockwell A: 48

Compressive Strength

N/mm2

345

Flexural Strength

N/mm2

94

Modulus of Elasticity

GPa

66.9

Thermal characteristics

Peak Temperature

°C

1000

Continuous Temperature

°C

800

Specific Heat at 20°C

J/kg°K

0.79

Thermal Conductivity at 100°C

W/m°K

1.46

Coefficient of Expansion

20 - 40°C

10-6/°K

9.3

20 - 600°C

11.4

20 - 800°C

12.6

20 - 1000°C

/

Electrical characteristics

Specific Resistivity at 20°C

Ohm.cm

1016

Dielectric Constant at 20°C 

at 1 KHz

6.03

Loss Tangent

at 1 KHz

0.005

Dielectric Strength at 20°C

kV/mm

40

Chemical characteristics

Corrosion resistance at 20°C

Good

Resistance to alkalis at 20°C 

Very good

Properties

Units

Alumina silicate Raw

Alumina silicate 1100 °C

Alumina silicate 1300 °C

Macor 

Glass ceramic Vitro 800

Machinable Alumina

Machinable boron nitride

Aluminium nitride Shapal MTM 

Machinable aluminium nitride 

Physical characteristics

Density

g/cm3

2.2

2.4

2.5

2.52

         2.7 3.8 1.85 2.9 2.9

Porosity

%

1.5-2

0-0.5

0-0.5

0

        0.096 10  14 0 < 0.1

Water uptake

%

1.5-2

0-0.5

0-0.5

0

        0.038 2-3.5 / 0 0

Mechanical characteristics

Hardness

Mohs: 2.5

Mohs : 5.5

Mohs : 7.5

Rockwell A: 48

Mohs : 4 Mohs : 5 Knopp: 4 kg/mm2 Vickers: 3900 Mpa
Vickers: 3750 Mpa

Compressive strength

N/mm2

6

150

800

345

   488

422 20 1200 1170

Flexural Strength

N/mm2

12

50

80

94

     108 267 50 300 300

Modulus of elasticity

GPa

/

/

/

66.9

       65 / / 190 180

Thermal characteristics

Peak Temperature

°C

900

1100

1400

1000

800 1650 850 1000 1000

Continuous  Temperature 

°C

700 

1100

1300

800

800 1650 850 1000 1000

Specific Heat  20 °C 

J/kg°K

-

-

-

0.79

- - 1.5 - -

Thermal Conductivity  at 100 °C

W/m°K

1.07

1.7

2.2

1.46

1.68 4.61 90 90 90

Coefficient of expansion 

20 - 40 °C

-

-

-

9.3

- - - 4.4 -

   20 - 600 °C 

10-6/ °K

-

2.9-3.6

6-8

11.4

8.6 - - 4.8 4.5

20 - 800 °C

-

-

-

12.6

- - - 5.1 -

20 - 1000 °C

7-12

-

4-10

-

- - 0.57 - -

Electrical characteristics

Specific Resistivity at 20 °C 

Ohm.cm

1010

1012

1012

1016

1.8x1014 1014 1014 1012 1012

Dielectric Constant at 20 °C  

at 1 kHz

-

-

6.1

6.03

6-7 9{@ 100 kHz} 4 7.1 7.1

Loss Tangent 

at 1 kHz

-

-

9x10-5

0.005

- - 0.0012 0.001 /

Dielectric Strength at 20 °C 

kV/mm

8-10

6-7

12-17

40

>15 7.87 2 40 40

Chemical Characteristics 

Corrosion Resistance at 20 °C

B

B

B

B

B B - - -

Resistance to alkalis at 20 °C

B

B

B

TB

TB B - - -

We can provide a complete range of machinable ceramics according to your application's needs.

Machinable technical ceramics (873.92k)

Machinable technical ceramics data sheet.


Macor® sheet 100x100 mm

Macor® sheet 100x100 mm

Macor ®  Sheet of 100x100 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® sheet 50x50 mm

Macor® sheet 50x50 mm

Macor ®  Sheet of 50x50 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® square bar Length...

Macor® square bar Length 300 mm

Macor ®  square bar length 300 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® square bar Length...

Macor® square bar Length 100 mm

Macor ®  square bar length 300 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® rod Length 300 mm

Macor® rod Length 300 mm

Macor ®  rod length 300 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® rod Length 100 mm

Macor® rod Length 100 mm

Macor ®  rod length 100 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® square bar Length...

Macor® square bar Length 150 mm

Macor ®  square bar length 100 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description
Macor® sheet 150x150 mm

Macor® sheet 150x150 mm

Macor ®  Sheet of 150x150 mm. Macor ® has a low thermal conductivity, it is a good insulator for high temperatures up to 1000°C as well as an excellent electrical insulator.
Full description