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topic 39127

Replacement idea for glass heaters in EN bath?


Dear sir,
I am facing a problem in maintaining glass heaters for 850 liters electroless nickel bath.Kindly tell an alternate heating method to replace glass heaters.

exports - Coimbatore, Tamilnadu, India

First of two simultaneous responses -- 2006

One alternative would be teflon heaters. They are not cheap, but would last you a long time.

Mark Baker
process engineer - Malone, New York

Second of two simultaneous responses -- 2006

Dear R.Gowtham,

You can safely replace glass heaters with 316 stainless steel heaters.

Sridhar Bushigampala
- Toronto, ON, Canada


Titanium is also good, durable and not too expensive.

Guillermo Marrufo
Monterrey, NL, Mexico


Dear Gowtham,

I agree with Guillermo. For electroless plating (acidic bath and high temperature) titanium heaters are more durable. However, they are bit expensive compared to stainless steel heaters.

T.S.N. Sankara Narayanan
T.S.N. Sankara Narayanan
- Chennai, Tamilnadu, India
(ed.note Nov. 2017: The good doctor has a fascinating blog at


Depending on your needs, facility, and budget, you could run a Heat exchanger in the solution filtration loop, with boiler supplied steam and a heat exchanger with temperature control/solenoid to maintain temperature...

Adam Drew
- Brooklyn, New York


hai! gautham,
I can understand your problem because I also face the same.
any kind of heater you may use, but use s.s.tank.then use one rectifier apply 2-5 volts.tank should be cathode and put small should act as anode.rod should not touch should immerse only 5% area into the tank.
Please., try this suggestion. You will get good result.
good luck

- bangalore,karnataka,india

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