Electronics > Projects, Designs, and Technical Stuff

Vapour phase Soldering

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mrpackethead:
Im sorry, its US$875.50. not $850.00  but close.

http://store.tmcindustries.com/Galden-HT-230-7-Kg-Bottle_p_229.html


"Galden® HT is a line of dielectric fluids with boiling points ranging from 55° C to 270° C. The excellent dielectric properties of these perfluorinated polyethers (PFPE) and their high chemical stability combined with the capacity to operate at very low as well as elevated temperatures, make them the best heat transfer fluids for the aggressive conditions found in semiconductor, electronic, and solar industries."

jeremy:
Interesting, it's not LS230 but HT230. Both have the same CAS numbers and structural formulae. Anyone know a chemist who can shed some light on this?

mrpackethead:

--- Quote from: jeremy on January 20, 2015, 08:19:37 pm ---Interesting, it's not LS230 but HT230. Both have the same CAS numbers and structural formulae. Anyone know a chemist who can shed some light on this?

--- End quote ---

It does appear there are some physical characteristics between the two that are different.   Cut and paste so can compare the two from
http://www.solvayplastics.com/sites/solvayplastics/EN/specialty_polymers/Fluorinated_Fluids/Pages/Galden-PFPE.aspx

Watch out some of the units are not the same.   the big one that stood out to me, was the vapour pressure is vastly different.

langwadt:

--- Quote from: EdoNork on January 20, 2015, 11:14:44 am ---Anyone knows if those liquids are dielectric?

--- End quote ---

no isolation of the wires here: http://www.ibrtses.com/projects/vapourphasesoldering.html

mrpackethead:

--- Quote from: langwadt on January 20, 2015, 08:39:03 pm ---
--- Quote from: EdoNork on January 20, 2015, 11:14:44 am ---Anyone knows if those liquids are dielectric?

--- End quote ---

no isolation of the wires here: http://www.ibrtses.com/projects/vapourphasesoldering.html

--- End quote ---

It is a dielectric.

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