<ul><li>This is a low temp solder paste with a no clean flux</li><li>Melting Point 137C 278F (Eutectic)</li><li>87% Metal Particle Size 25-45 Microns</li><li>Protect Sensitive Parts with this low melting Lead Free Solder Sn42/Bi57/Ag1</li><li>This alloy is better than Sn42/Bi58 because it contains Ag which makes it stronger and less brittle</li></ul><br><br>Packaged in 5cc syringe w/ tip and contains 15 grams. Shelf Life: 12 months, unrefrigerated >6 months Storage and Handling Refrigerate at 3-8C (37-46F). Allow 4 hours for solder paste to reach an operating temperature of 20-25C (68-77F) before use.

SRA Low Temperature Lead Free Solder Paste T3-15 Grams