Kester 285 mildly activated rosin flux is classified as Type ROL0
flux under IPC J-STD-004. This flux was formerly classified as Type RMA
per MIL-F-14256. Kester 285 consists of high quality, purified rosin to
which a synergistic combination of activating agents has been
incorporated. The fluxing ability of 285 is much greater than ordinary
mildly activated rosin fluxes and is comparable to fully activated rosin
fluxes. Kester 285 has been developed for use in the electronic industry
where difficult assemblies are to be soldered, but process requirements
stipulate use of a mildly activated rosin flux |
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