High Fluidity Bar Solder ALPHA HiFlo Sn63Pb37 solder is manufactured from metals of the highest purity using the exclusive ALPHA® Vaculoy process. ALPHA® Vaculoy SAC300,305,400,405 Sn96.5Ag3Cu0.5 and Sn95.5Ag4Cu0.5 are lead-free alloys suitable as replacements for Sn63 alloy. SACXTM Anti-Oxidant Additive SACX™ alloy contains an antioxidant additive that reduces solder oxidation through preferential action. ALPHA ® SACX Plus 0807 ALPHA SACX Plus 0807 is a low-silver, lead-free alloy specially formulated with proprietary additives to deliver strong soldering performance. SN100-BAR Lead-Free Bar Solder For soldering applications requiring maximum solder-joint reliability, including surface-mounted components. ALPHA® SACX Plus® 0307, 0300 ALPHA® SACX Plus® 0307 is a next-generation lead-free alloy suitable as a replacement for SnPb and SAC305.