Alpine OT2 solder paste contains a flux medium said to eliminate defects related to oxidation and miniaturization. Flux is halogen- and halide-free, and for use with SN100C, SCANGe-071 or SAC305. Is rosin-based and prints at high print speeds (>200 mm/sec). Paste is said to eliminates head-in-pillow defects, and shows no graping or defects.
Cobar Solder Products/Balver Zinn, www.cobar.com