alfa 338Deliver excellent solder joint cosmetics with Alpha OM338 SAC305 lead-free solder paste! This product contains 96.5% Tin, 3.0% Silver, and 0.5% Copper.ALPHA OM-338-PT BGA Flux NO-CLEAN LEAD-FREE BGA FLUX This NO-CLEAN flux is engineered to be used in the placement and reflow of lead-free solders for BGA attach