| |
COLD |
HOT
OXIDE |
| |
|
|
| Room temperature
operation |
YES |
NO-
140 degrees C |
| Low energy operating
cost |
YES |
NO-
high heat up and maintenance
cost |
| Safe and easy chemical
addition |
YES |
NO-
addition of water and
chemicals needs close control to avoid eruptions and
splattering |
| Non-fuming baths |
YES |
NO-
extraction
necessary |
| Instantly ready for
use |
YES |
NO-
bath requires to heat up to
140 degrees C |
| Low capital cost to set up
|
YES |
NO-
expensive tanks, heaters,
controls and extraction required |
| No heat distortion of
parts |
YES |
NO-
distortion can
occur |
| Convenient to set up an
in-house operation |
YES |
NO-
requires power, services and
extraction |
| Blackens cast iron |
YES |
NO-
causes red/brown
finish |
