Safe, Non-Toxic Silver Flux Silver Soldering Powder, Time-Saving, Tightly Sealed, Normal Temperature Soldering Paste Flux. Model: Silver Soldering Powder Composition of Welding Powder: Silver Soldering Powder Melting Point: 500 (°C) Scope of Application: Soldering of various copper alloys Working Temperature: Normal temperature (°C) Specification: Welding Powder Specifications: 1. Non-Volatile: Exquisite jar, tightly sealed, and non-volatile. 2. Usage Safety: White color, excellent performance, safe and non-toxic, for storage only. 3. Portable: Easy to carry, easy to use, time-saving, and labor-saving. 4. Good Fluidity: Stable performance, strong activity, and minimal welding residue. 5. Soldering Material: Suitable for soldering copper, brass, and iron parts. 6. Soldering Method: Low-temperature brazing, resistance brazing, furnace brazing, etc. 7. Soldering Properties: Effectively dissolves copper oxide, promotes solder flow, and provides good soldering results. Package Includes: 1 * Welding Powder