MACOR ® Machineable Glass Ceramic offers exceptional electrical properties and as such it has become the natural choice within electrical insulation applications. At Morgan Technical Ceramics we often utilise conductive materials through our MACOR ® Machineable Glass Ceramic requiring our MACOR ® MCG feedthroughs to be sealed without sacrificing strength, hermeticity and high use temperature.

Whilst there are many sealing materials, we employ a range of sealing glasses to ensure that desirable properties are achieved without compromising effectiveness.

Sealing Glasses

 ¹ - Ferro Corporation, PO Box 6550, 4150 E. 56th Street, Cleveland OH, 44101. Tel. (216) 641-8585, ext. 7426, Fax (412) 641-8857.

²- These are idealized conditions. Heating and cooling rates and soak times are dependent on the size and geometry of the parts. The time is the hold at the corresponding temperature.

* - Vitreous solder glass.

If you are interested in using MACOR ®, or any of our sealing glasses please contact us.

Macor Hermetic Sealing

MACOR ® Machineable Glass Ceramic (Corning Code 9658) can be used to hermetically seal glass, ceramic or metal due to its high glass content.

This glass content combined with a high coefficient of thermal expansion makes it possible to seal MACOR ® to a wide range of different metals and glasses.

Using solder glass frit it is possible to achieve vacuum tight seals which can be used at high temperatures. MACOR ® Machineable Glass Ceramic and solder glass frit can be sealed to the following:

 Metals

1. Platinum
2. Titanium
3. Sealmet
4. Dumet
5. Chrome-Iron Stainless
6. 52% Nickel alloys
7. Sylvania #4

Ceramic

1. Fosterite

If you are interested in using MACOR ® for hermetic sealing applications please contact us today.