TAMURA RMA-20-21L Lead-tin paste
Brief introduction of lead-tin paste characteristics of RMA-20-21L in TAMURA Tamura;
- Viscosity hardly changes with the passage of time.
- The flux is J-STD L0 flux.
- The viscosity will not change with time during continuous printing, and it has good stability.
- It also shows good welding performance on tiny parts with a spacing of 0.3 mm.
- Good welding performance, showing excellent wettability for various parts.
TAMURA Tamura RMA-20-21L has lead-tin paste specifications:
| name of an article | RMA-20-21L | test method |
| Alloy composition (%) | Sn62.8/Pb36.8/Ag0.4 | JIS Z 3282(1986) |
| Melting point (℃) | 179~183 | DSC determination |
| Solder particle size (μm) | 20~38 | Laser analysis |
| Flux content (%) | 10 | IPC-TM-650 |
| Viscosity (Pa·s) | 205 | JIS Z 3284(1994) |
