Boron Nitride for
High Temperature Furnaces

The design of high temperature furnaces operating at temperatures significantly higher than 1500 °C incorporates heating elements manufactured from carbon, tungsten or molybdenum.

As a rule, these elements are electrically insulated from the furnace sides using high temperature oxide ceramics.

These oxide ceramic insulators are highly stressed given the growing tendency to employ shorter production cycles with faster heating and cooling rates, leading to early component failures and increased furnace downtime. This brings with it a significant maintenance requirement. 

In contrast to the traditional use of aluminium oxide, the working life of components manufactured from HeBoSint®, a sintered boron nitride, is significantly longer. Indeed, for thermal processes at extremely high temperatures and vacuum or in inert conditions, such boron nitride ceramics often present the only viable solution.

For this sector we are able to offer precision machined components such as sleeves, tubes, washers, insulators, insulating plates, spools, flanges and other parts subjected to high thermal stresses – to suit customer specific requirements.

Our product recommendations for high temperature furnace applications:

Henze BNP AG
Phone: +49 8374 58997-0
Fax: +49 8374 58997-99

HeBoSint® Insolating Sleeves

HeBoSint® insulating sleeves for high temperature furnace application ...more
HeBoCoat 433W is a pure, water based and ready-to-use Boron Nitride coating

HeBoCoat® 433W

HeBoCoat® 433W is a water-based boron nitride coating with inorganic binders ...more
Boron Nitride Spray ethanol-based

HeBoCoat® 401E

HeBoCoat® 401E is a boron nitride spray supplied in an easy-to-use aerosol can with inorganic binders ...more
Boron Nitride Coating ethanol-based with inorganic binders

HeBoCoat® 400E

HeBoCoat® 400E is a boron nitride coating in an ethanol base with inorganic binders ...more
Boron Nitride Coating water-based with organic binder

HeBoCoat® 20W

HeBoCoat® 20W is a water-based boron nitride coating hich, through the use of organic binders ...more
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Henze Boron Nitride Products AG
Grundweg 1
87493 Lauben
Phone: +49 8374 58997-0
Fax: +49 8374 58997-99
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