R500 Solder Paste, Water-Soluble, Leaded, 35g Syringe
Kester R500 Solder Paste is a water-soluble solder paste formula specifically designed as a consistent dot dispensing paste for automated dispensing equipment. This solder paste exhibits excellent wetting characteristics in a wide range of profiles. The activator package in this formula is extremely aggressive. It is active enough to remove tenacious oxide layers or to solder to OSP-coated boards. For up to 8 hours, R500 maintains its activity and tackiness characteristics.
Storage, Handling, and Shelf Life
Refrigeration is the recommended optimum storage condition for solder paste to maintain consistent viscosity, reflow characteristics, and overall performance. R500 should be stabilized at room temperature dispensing. R500 should be stored at standard refrigeration temperatures ranging from 0 to 10 degrees Celsius (32 to 50 degrees Fahrenheit). Please contact Kester if you require additional advice on the storage and handling of this material. The shelf life for both SAC305 and Sn63Pb37 alloys is 6 months from the date of manufacture and held at 0 to 10 °C (32 to 50 °F).