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Replacement Galden LS230 HS240 Vapor Phase Soldering Fluids PCBs Perfluoropolyether PFPE for Semiconductor

Model: YBS-LS230/YBS-HS240

You Bang Shou®Vapor Phase Welding Fluid

Advantages:

You Bang Shou® YBS-LS230/HS240 Series is a family of perfluorinated fluids designed specifically for vapor phase welding processes. It has a narrow molecular weight distribution and can be used as an equal performance alternative to GALDEN gas phase welding fluids.

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Features:

* Wide choice of grades with different boiling point
* Narrow molecular weight distribution
* No flash or fire points
* No auto ignition point
* No explosion hazards
* Excellent thermal and chemical stability
* Good compatibility with materials
* Low heat of vaporization
* Vapor density greater than air

Benefits:

* Widest operating temperature range to optimize Vapor Phase Solder process
* Maximum process stability and repeatability
* No boiling point drifts
* Rapid and residue free drying
* Pre-heating and heating processes take place in an inert atmosphere
* No corrosion or reaction with materials of construction
* No formation of decomposition Residues
* Enhanced safety
* Safe to use at high temperature

Characterization	Unit	YBS-LS230	YBS-HS240
boiling	°C	230	240
density	g/cm3	1.82	1.82
kinematic viscosity	cSt	4.4	5.3
Vapor pressure	Pa	3.4	1
Specific heat	J/Kg·°C	973	973
Vapor heat	J/g	63	63
Thermal conductivity	W/m·°C	0.07	0.07
Expansion coefficient	cm3/cm3 · °C	0.0011	0.0011
Surface tension	dyne/cm	20	20
Dielectric strength	V/m	40	40
Dielectric constant	F/m	2.1	2.1
Volume resistivity	Ω/cm/cm	1·10⁵	1·10⁵
Average molecular weight	/	1020	1,085