• RS Stock No. 158-3146
  • Brand MACOR
Machinable Glass Ceramic Square Bar, 100mm x 20mm x 20mm
Product Details

Macor® Machinable Glass Ceramic

Macor® is a registered trademark of Corning Inc.

For the manufacture of precision components utilising ordinary metalworking tools
No post firing required
Non-wetting, 0% porosity and no deformation
Max no load temperature: 1000°C
Continuous operating temperature: 800°C
Machining tolerances approach 0.013mm (polished smoothness of 0.013mm is achievable)
Can be sealed and joined to itself and to other materials
White in colour

Compressive Strength 35 kg/mm2
Density 2.52 g/cm3
Dielectric Constant at 25°C 6.03 (1 kHz); 5.67 (8.5 GHz)
Dielectric Strength in Oil at 90°C 40 kV/mm (@ 0.01 Thickness, 25°C)
Fracture Toughness 1.53 MPa
Hardness 48 (Rockwell A)
Modulus of Elasticity 66.9 GPa (Young's Modulus @ 25°C)
Modulus of Rupture 94 MPa (At 25°C)
Specific Heat at 25°C 0.79 kJ/kg°C
Thermal Conductivity at 23°C 1.46 W/m K
Thermal Expansion Coefficient 74 x 10 -7 /°C (-200 - +25°C); 126 x 10 -7 /°C (+25 - +800°C)
Volume Resistance >10 16 Ωcm (dc at 25°C)
Selection guide
225-5482 Rod Ø 6 x 100 mm
158-3089 Rod Ø 10 x 100 mm
158-3095 Rod Ø 15 x 100 mm
158-3102 Rod Ø 20 x 100 mm
158-3118 Rod Ø 25 x 100 mm
225-5498 Rod Ø 30 x 100 mm
225-5505 Rod Ø 35 x 100 mm
225-5511 Rod Ø 40 x 100 mm
225-5533 Rod Ø 6 x 300 mm
225-5549 Rod Ø 10 x 300 mm
225-5555 Rod Ø 15 x 300 mm
225-5561 Rod Ø 20 x 300 mm
225-5577 Rod Ø 25 x 300 mm
225-5498 Rod Ø 30 x 100 mm
225-5505 Rod Ø 35 x 100 mm
225-5511 Rod Ø 40 x 100 mm
158-3124 Bar with dimensions 10 x 10 x 100 mm
158-3130 Bar with dimensions 15 x 15 x 100 mm
158-3146 Bar with dimensions 20 x 20 x 100 mm
158-3152 Bar with dimensions 25 x 25 x 100 mm
233-4232 Disc Ø 10 x 1 mm
233-4254 Disc Ø 25 x 1 mm
233-4260 Disc Ø 25 x 2 mm
158-3168 Sheet 100 x 100 x 3 mm
158-3180 Sheet 100 x 100 x 6 mm
158-3196 Sheet 100 x 100 x 10 mm
233-4333 Sheet 50 x 50 x 1 mm
233-8644 Sheet 50 x 50 x 2 mm
158-3203 Test kit (rod, bar and plate)

Note

Trial pack (RS Stock number 158-3203) contents: 1 of 10dia x 50mm Rod, 1 of 10x10x25mm Sq Bar, 1 of 25x50x3mm Sheet

Standards

7777

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Specifications
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MaterialMachinable Glass Ceramic
FormSquare Bar
Length100mm
Width20mm
Height20mm
ColourWhite
Thermal Conductivity1.46W/mK
Density2.52g/cm³
HardnessA 48 Rockwell
Compressive Strength35kg/mm²
Fracture Toughness1.53MPa
Water Absorption0%
Maximum Operating Temperature+800°C
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Available to back order for despatch 14/12/2017
£114.27
Price Each
1 - 2
£114.27
3 - 9
£106.27
10 - 29
£100.56
30 +
£91.42
Quantity
Units
Alternative
Machinable Glass Ceramic Square Bar, 100mm x 15mm x 15mm
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Technical Reference
  • RS Components

    Statement of conformity


    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 158-3146
    Description Machinable Glass Ceramic Square Bar, 100mm x 20mm x 20mm
    Manufacturer/Brand: MACOR
    Mfr. Part No. BAR 20/20/100
    The foregoing information relates to product sold on, or after, the date shown below.
    RS COMPONENTS
    Date Nov 20, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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