Kester 285

Sn63/Pb37 RMA (Rosin Mildly Activated) 3.3% 285 Flux Core Solder Wire

  • Industry Standard RMA cored wire
  • Compatible with leaded and lead-free alloys
  • Classified as ROL0 per J-STD-004
  • 285 flux residues are non-corrosive, and do not require removal in most applications
  • Alloys containing over 70% lead: 2 year shelf life. Other Alloys 3 year Shelf Life from the date of manufacture.
  • Non-stocked Kester items may be subject to minimum orders.
Grouped product items
Product Name Qty
Kester 24-6337-9756
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.010" dia., 1 lb. Spool In Stock
$150.99
Kester 24-6337-9703
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.015" dia., 1 lb. Spool In Stock
$73.43
Kester 24-6337-9702
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.020" dia., 1 lb. Spool In Stock
$51.16
Kester 24-6337-9718
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.025" dia., 1 lb. Spool
$40.45
Kester 24-6337-9710
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.031" dia., 1 lb. Spool
$38.03
Kester 24-6337-9711
Sn63/Pb37 Solder Wire, 3.3% 285 RMA Flux, 0.062" dia., 1 lb. Spool
$39.75

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 QQ-S-571. 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. 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.

More Information
SKU G100315
Mfg. Part Number 285
Brand Kester
Material Sn63/Pb37
Type Rosin
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