Bayville Chemical Supply Company Inc 70-G East Jefryn Boulevard Deer Park, New York, 11729 USA Telephone: 631-586-4309 Fax: 631-254-5591 E-Mail:
Bayville Chemical Supply Company Inc70-G East Jefryn BoulevardDeer Park, New York, 11729  USA           Telephone: 631-586-4309      Fax: 631-254-5591      E-Mail: 

Magnesium Oxide Single Crystal




Formula                                                       MgO

Crystal Structure:                                        cubic system

Density:                                                       3.58 gm/cc

Melting Point:                                               2852ºC

Hardness (Mohs Scale):                              5.8

Cleavage:                                                     (100)

Dielectric Constant:                                      8.65 at 108 Hz

Thermal Expansion:                                     10.8 10-6/C



Standard Specifications:


Specific Resistivity     

                                1 x 1017 ohm cm (at 28oC

                                1 x 1012 ohm cm (at 500oC)

                                1 x 108 ohm cm (at 1000oC)

                        1 x 105 ohm cm (at 1500oC)


Upper Temperature Limit of Usefulness        

                                2600ºC in air

                                2200ºC in reducing atmosphere

                                1800ºC in vacuum

                                1600ºC in N2 atmosphere

                                2000ºC in C atmosphere

                                1600ºC in NH2 atmosphere

                        1600ºC in SO2 atmosphere


Transmission Range    0.3 – 7 microns



Standard Sizes:


5 mm x 5 mm x 0.5 - 1.0 mm

10 mm x 10 mm x 0.5 - 1.0 mm


Where to Find Us:

Bayville Chemical
70 East Jefryn Boulevard
Suite G
Deer Park, NY 11729

Phone: 631 586-4309

What's New

New larger location

As of August 2014, we have moved to this new, larger, modern facility to better service your needs.


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