Macor

Macor easy to machine high temperature technical ceramic

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® 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
  • Nuclear

Comparative of our machinable ceramics

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. Contact us for more information's.

Machinable Technical Ceramics (343.28k)

Data Sheet: Machinable Technical Ceramics


Macor® Ceramic (309.80k)

Data Sheet: Macor® Ceramic


Macor® Round Rods

Macor® Round Rods

Macor ® Round Rods Macor ® has low thermal conductivity. This outstanding insulating material remains continuously stable at 800 °C, with a maximum peak at 1,000 °C. Final Advanced Materials can supply square rods  and  boards for your own use. Macor ® square rods are ideal for use in vaccum atmosphere. They are also used in the aeronautic, nuclear and welding industry or for the making of props. They are available in length of 100, 150 and 300 mm and diameter ranging from 10 to 55 mm. Do not hesitate to contact us for more information about Macor ®  product range . We also provide other types of machinable ceramics .  
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Macor® Square Rods

Macor® Square Rods

Macor ® Square Rods Macor ® has low thermal conductivity. This outstanding insulating material remains continuously stable at 800 °C, with a maximum peak at 1,000 °C. Final Advanced Materials can supply round rods and square boards  for your own use. Macor ® square rods are mostly used in the aeronautic, nuclear and welding industry or for the making of props. They are available in length of 100, 150 and 300 mm and a section ranging from 6 to 60 mm. Do not hesitate to contact us for more information about Macor ®  product range . We also provide other types of machinable ceramics .
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Macor® Board

Macor® Board

Macor ® Board Macor ® has low thermal conductivity. This outstanding insulating material remains continuously stable at 800 °C, with a maximum peak at 1,000 °C. Final Advanced Materials can supply rods with square or round section for your own use. Macor ® square boards are mostly used in the aeronautic, nuclear and welding industry or for the making of props. They are available in dimension of 50, 100, 150 and 300 mm and thickness ranging from 5 to 55 mm. Do not hesitate to contact us for more information about Macor ®  product range . We also provide other types of machinable ceramics .
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