Chipquik SMD4300AX10 Solder Paste SN63 37PB 10CC / 35 grams w/ syringe H2O wash 63% Tin, 37% Lead Solder Paste, Water Washable This is a water soluble formula solder paste made specifically for leaded and lead-free rework and design. The paste is 63% Tin and 37% Lead. Washable with water. byJuly 3, 2026