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BNA Paste
BNA
Paste is a non-aqueous-based paste usable in all atmospheres and can
be applied as thick layers or brushed like house paint. Yields over
95% BN after heating to 800 C in air. May be used in all atmospheres
(air as well as inert or vacuum) to the normal temperature limits of
boron nitride ˆ air, 1000-1100 C; vacuum, 1400 C; inert, 1800 C
[limited due to sublimation, although higher temperatures have been
attained]. BNA PASTE provides highly chemically resistant,
thermally-conductive/electrically-insulating Boron Nitride and is
suitable for typical areas-of-use of Boron Nitride
- Melting and
casting Al, Mg, Zn
- Ceramic hot-pressing
- Decanning for hot
isostatic-pressing
- Composite forming
- Glass forming
-
Superplastic forming of titanium
- Diffusion bonding
-
Extrusions
- Braze stop-off/weld spatter release
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