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Galden® PFPE for Electronics Production Equipment

Perfluoropolyether Fluorinated Fluids

Galden® PFPE HT is a line of heat transfer fluids with boiling points ranging from 55°C to 270°C. Their excellent dielectric properties, high chemical stability combined with their capacity to operate at very low as well as elevated temperatures make them the best heat transfer fluids for the aggressive conditions used in the Semiconductor and Electronic Industry.take 2

Ideal for Electrical/Electronics Production Equipment

Vapor Phase Soldering (VPS) uses the latent heat of condensation of Galden® PFPE vapors in order to melt solder paste and hence to obtain reliable metal joints. Solder traditionally used ~ 60% of tin (Sn) and ~ 40% of lead (Pb).

Now alternative solder materials have been introduced; the most common replacements for lead are silver (Ag), Copper (Cu) and Bismuth (Bi). These alternative materials, however, bring a challenge: higher melting temperature. Traditional tin/lead solders melt at ~ 180°C while lead free solder melts at ~227°C. Soldering temperatures are, as well as heating issues, ongoing concerns for PCBs assemblers.

Galden® PFPE LS / HS is a line of fully fluorinated fluids specifically designed for the VPS process with the following properties:

The narrow molecular weight distribution
Very strong carbon-fluorine bond
Flexible ether link
Galden® PFPE LS and HS fluids precise vapor temperature eliminates overheating, offering the widest temperature range to lead free solders up to 260°C and are RoHS compliant.

Key Features 
High thermal stability
Wide operating temperature range
Good dielectric properties
Excellent chemical inertness
Good compatibility with metals, plastics and elastomers
No flash or fire point, no auto-ignition point
Safety (FM approved 6930 standard)
We stock Galden LS215 and LS230 lead free

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