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Qualitek Paste Fluxes Leaded Assembly

Qualitek paste flux is a combination of tackifier and fluxing agent specially formulated for touch-up soldering. BGA packages and flip chip applications. Paste flux may be applied by screen or stencil printing, pin-transfer and syringe dispensing. Four types of paste flux are available: Rosin Mildly Activated PF 200, Activated Rosin PF 400, No-Clean PF600, and Water-Soluble PF 700.

 
 
No-Clean Paste Flux
Water-Soluble Paste Flux
RA & RMA Paste Flux
 
 
Comparison Chart
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PF600 No-Clean
Similar to type RMA but lighter in residues. Residues may be left on without cleaning.

PF601
Soft residues similar to RMA but lighter.


Comparison Chart
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PF700 Water-Soluble
Excellent tackiness. Less corrosive than most organic types. Halogen free. Residues do not need to be cleaned immediately.
Comparison Chart
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PF200 Rosin Mildly Activated
Good wetting & dispensing. Chip scale packaging production & Touch-up.

PF400 Rosin Activated
DHigh activity. Excellent wetting chip scale packaging.