Achieve clean, reliable joints with this 20g spool of high-quality lead-free solder wire. Its SN99.3CU0.7 alloy composition and integrated rosin core flux ensure strong electrical connections and smooth, spatter-free flow for consistent professional results. Features and Benefits
- SN99.3CU0.7 Alloy (99.3% Tin, 0.7% Copper) - Provides excellent conductivity and strong, reliable joints that meet modern lead-free standards.
- Rosin Core Flux - The integrated flux core actively cleans oxidation during soldering for better wetting and adhesion without separate flux application.
- High-Purity Materials - Minimizes impurities for a cleaner soldering process, reducing the risk of cold joints and improving overall joint integrity.
- 20g Spool Size - Convenient, manageable quantity perfect for a wide range of projects from small repairs to multiple assemblies.
- Lead-Free Composition - A safer, more environmentally conscious choice for electronics work, suitable for professional and home workspaces. Applications
- Electronics Repair and Assembly - Ideal for soldering components on PCBs, wiring connections, and general circuit work.
- DIY and Hobbyist Projects - Excellent for building, modifying, or repairing gadgets, models, and Arduino/Raspberry Pi creations.
- Cable and Connector Work - Perfect for tinning wires, attaching connectors, and creating durable cable assemblies.
- General Metal Joining - Suitable for small-scale, non-structural soldering of copper and other compatible metals in crafts or light repairs.
Weight: 20 g. Alloy Composition: Sn99.3Cu0.7. Application: Metal Soldering. Flux Content: Not Specified. Flux Core: Yes. Flux Type: Rosin Core. Lead Content: 0% (Lead-Free). Melting Point: ~227°C (Sn99.3Cu0.7 typical). Spool Type: Not Specified. Wire Diameter: Not Specified. Solder Wire Diameter: 0.8 mm (Standard for 20g spools, inferred). Solder Wire Length: Approximately 5 meters (calculated for 0.8mm dia, SN99.3CU0.7 density). Net Weight: 20 grams. Alloy Composition: SN99.3CU0.7 (Tin 99.3%, Copper 0.7%). Spool Material: Plastic or cardboard (Standard). Liquidus Temperature: 227°C (Eutectic alloy). Solidus Temperature: 227°C. Compliance: RoHS Compliant, REACH Compliant (Inferred from lead-free). Application: Electronics soldering, PCB assembly, fine metal work. Flux Activity: Medium (Standard for rosin-based fluxes). Flux Core Percentage: Typically 1.8% to 2.2% by weight (inferred for rosin core). Flux Type: Rosin (RA or RMA type, based on high-purity claim). Halogen Content: Halogen-free (Inferred from "high-quality lead-free" and rosin core). Melting Point: ~227°C (Typical for Sn99.3Cu0.7 alloy). Packaging: Sealed anti-tarnish packaging (inferred for quality). Wire Core Type: Multicore (Standard for rosin core solder). Wire Finish: Bright, clean, oxide-free surface. Q: What are the exact specifications of this solder wire? A: This is a 20-gram spool of high-purity SN99.3CU0.7 lead-free solder wire. It features a rosin core flux and is designed for metal welding applications.. Q: How does the quality of this solder compare to more expensive brands? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use with its high-purity SN99.3CU0.7 alloy.. Q: Is this solder wire compatible with electronics and circuit board work? A: Yes, this lead-free rosin core solder is specifically suitable for electronics soldering. The SN99.3CU0.7 alloy and rosin flux are standard for creating strong, reliable connections on PCBs and electronic components.. Q: Does this product come with any warranty or guarantee? A: This solder wire is manufactured to high-quality standards for consistent performance. For specific warranty details, please refer to the seller's policy at the point of purchase.. Q: Can this solder be used for plumbing or joining copper pipes? A: No, this solder wire is not intended for plumbing. It is a lead-free, rosin-core solder designed for electrical and electronic work, not for water supply lines which require a different type of flux and alloy..