0.8mm 1.0mm 20g 50g 100g Soldering Tin Wire Tin Melt Rosin Core Solder Soldering Wire Roll No-clean FLUX 2.0% Lead-free Solder

SpecificationsI. Core Quality: Layer-by-Layer Guarantee from Raw Materials to Craftsmanship1. Lead-Free & Eco-Friendly, Compliant GloballyAdopting an eco-friendly alloy formula of 99.3% high-purity tin and 0.7% copper, it contains no harmful heavy metals such as lead and cadmium at all. It has passed the dual certifications of EU RoHS and US UL, and complies with the EU WEEE Directive and Japanese JIS Z3282 standard. Whether used in the production of exported electronic equipment or household DIY projects, it can meet the environmental requirements of various countries, avoiding customs clearance obstacles or product recall risks caused by material issues. Each batch of products is accompanied by a quality inspection report, with traceable quality.2. Precise Soldering Flux Ratio, One-Step SolderingBuilt-in 2.0% high-activity no-clean flux, with the ratio optimized through thousands of experiments. The flux wraps the wire evenly, which can quickly remove the oxide layer on the metal surface during soldering and enhance the fluidity of the solder. Even in low-temperature (217℃) soldering scenarios, it can form full and round solder joints, effectively eliminating common problems such as cold soldering, false soldering, and bridging. The residual amount after soldering is small and transparent, no need for additional wiping with alcohol or cleaning agents, which not only saves processes but also prevents residual corrosion of the circuit board.3. Industrial-Grade Production Process, Consistent QualityAdopting an integrated production process of continuous casting-drawing-annealing, the wire diameter tolerance is strictly controlled within ±0.02mm. The error of the 0.8mm wire does not exceed the thickness of a hair, and the uniformity of the 1.0mm wire reaches 99%. The surface of the wire has undergone special polishing treatment, which is smooth without burrs and pits. Combined with the precision spool design, the solder feeding is smooth without jamming, and it is compatible with various operation methods such as automatic soldering machines and manual electric soldering irons. There is no splashing, no black smoke, and no pungent odor during high-temperature soldering, making the working environment healthier.II. Scenario-Based Solutions: Exclusive Choices for Different Needs1. Batch Production Solution for Electronic FactoriesThe 100g large spool specification is recommended, which is suitable for the continuous operation needs of the production line. A single spool can complete the soldering of about 5,000 standard solder joints. The wire has strong high-temperature stability. When used continuously at a soldering temperature of 300℃, the solder joint strength still remains above 15MPa, far exceeding the industry standard of 10MPa. For batch soldering scenarios such as LED lamp beads, charger interfaces, and sensor pins, it can effectively increase the soldering yield to more than 99.5% and reduce rework costs. It supports customized wire diameter and flux content to meet the production needs of special products.2. High-Frequency Operation Solution for Repair ShopsThe 50g specification is the golden choice for repair scenarios. With a spool diameter of 7cm, it can be easily placed in the drawer of the repair workbench for convenient access. The 0.8mm wire diameter is suitable for precision repairs such as mobile phone motherboards and laptop battery interfaces, while the 1.0mm wire diameter is used for conventional soldering such as home appliance circuit boards and car audio. The low melting point feature allows the electric soldering iron to heat up faster, taking only 30 seconds from startup to ready for soldering, saving 40% of preheating time compared with ordinary soldering wires, which is especially suitable for busy scenarios where multiple devices are repaired at the same time.3. Maker/Teaching Training SolutionThe combination of 20g portable package + 0.8mm wire diameter is palm-sized and can be put into a maker tool bag. Its weight is only equivalent to a mobile phone charger, so it is easy to carry for outdoor training or on-site repair. For young beginners, the product package is attached with a simple soldering tutorial, marking key skills such as "temperature control range" and "solder feeding angle". Combined with the high fault tolerance of the flux, it allows beginners to quickly master the soldering essentials. The lead-free formula ensures the safety of the teaching environment, and it has become the designated training soldering wire for the electronics major of many vocational colleges.4. Home Emergency Repair SolutionA combined set of "soldering wire + mini electric soldering iron" is launched. The 20g soldering wire is matched with a 30W small electric soldering iron, which heats up immediately after plugging in, and can easily solve common problems such as router antenna falling off, desk lamp switch poor contact, and toy circuit breakpoints. The wire has strong oxidation resistance, and the soldered joints show no rust even after being placed in a humid environment for 6 months. One soldering for home repair can be used stably for a long time, avoiding the trouble of frequent rework.III. Usage Advantages: Detailed Design Enhances Experience- Clear Specification Marking: The wire surface is printed with colored ring marks (red ring for 0.8mm/blue ring for 1.0mm). The spool shell is marked with core parameters such as wire diameter, weight, and flux content. Even if multiple specifications are mixed, they can be quickly distinguished, avoiding the impact on soldering effect due to wrong selection.- Moisture-Proof and Dust-Proof Packaging: Adopting aluminum-plastic composite film vacuum packaging, the inner moisture-proof paper isolates water vapor, and the outer wear-resistant plastic shell protects the spool. The unopened product can be stored at room temperature for 2 years, and the opened product can still maintain stable quality for 1 year after sealed storage, solving the problem that soldering wire is easy to oxidize in humid areas in southern regions.- Wide Tool Compatibility: Compatible with various soldering tools such as electric soldering irons (20W-100W), hot air guns (low-temperature gear), and automatic soldering robots. No additional accessories are needed for replacement, and it can be seamlessly connected whether it is manual operation or automated production.- Multi-Metal Compatible Soldering: In addition to conventional copper materials, it can also perfectly solder metal pins such as silver, gold, and nickel, suitable for special scenarios such as precious metal electronic components and jewelry repair. The cost is reduced by 60% compared with special soldering wires.IV. Answers to Core Questions Concerned by BuyersQ1: What is the difference between lead-free soldering wire and leaded soldering wire?A1: Lead-free soldering wire is eco-friendly without heavy metals, conforming to export standards, with a melting point of about 217℃; leached soldering wire contains lead which is harmful, with a melting point of about 183℃, but does not meet environmental requirements. Our product adopts a lead-free formula, with soldering performance close to that of leaded products, and is safer and more compliant.Q2: How to choose between 0.8mm and 1.0mm?A2: Choose 0.8mm for solder joints with diameter ≤1mm (such as mobile phone resistors and capacitors); choose 1.0mm for solder joints with diameter 1-3mm (such as home appliance circuit boards and connectors). If you are not sure, it is recommended to buy both to meet different scenario needs.Q3: What problems are beginners prone to encounter? How to avoid them?A3: Common problems are cold soldering (insufficient temperature) and excessive soldering (excessive solder feeding). It is recommended to adjust the electric soldering iron temperature to 300-350℃, and feed the solder after the soldering iron tip contacts the solder joint for 1-2 seconds. The amount of solder feeding should be enough to cover the solder joint without overflow. Beginners can practice on waste circuit boards first.Q4: How to store the unused part after opening?A4: Please put the remaining soldering wire back into the original package, squeeze out the air and seal it with a sealing clip, and store it in a dry and cool place (avoid direct sunlight and humid environment). No special treatment is required before use next time, and it can be soldered directly.V. Quality Commitment and After-Sales ServiceWe promise that every spool of soldering wire is a brand-new genuine product. If the received product has problems such as wire breakage, invalid flux, or inconsistent specifications, we support 7-day no-reason return and exchange, and we will bear the round-trip freight. We provide a 1-year quality guarantee. For soldering problems caused by product quality during use, you can contact customer service to obtain professional solutions and free replacement services. The professional technical team is online 24 hours a day to answer questions about soldering operations and specification selection at any time, allowing you to buy with confidence and use with peace of mind.Diameter:0.8mm/1.0mmMaterial: Tin alloy+plasticSize: The diameter of 20g model is about4.5cm; The diameter of the 50g model and the 100g model is about 5.5cmCategory: Solder wirePackage includes: 1 * roll of solder wireDescription1. High purity raw materials: Our soldering wire is made of high-quality and high-purity soldering raw materials, adding 2.2% special flux to ordinary tin alloy. During the welding process, high-purity materials help slow down oxidation, thereby accelerating the tin flow rate and minimizing residual impurities2. Durable and sturdy: Ensure sufficient quantity of solder wire per roll. The tin wire will not tangle, and the rosin inside the tin wire is evenly distributed, ensuring good continuity. When you use our soldering wire, you will find it sturdy and durable. It has good extensibility, melting, conductivity, and thermal conductivity.3. Green and fresh odor: Made of environmentally friendly materials, without irritating odor, fresh and natural. Designed specifically for welding, it minimizes splashing and smoke, making it the preferred choice for environmentally conscious individuals.4. Multifunctional use: Easy to use, you can choose materials according to different needs. Aluminum wire has a wider range of applications and can be welded to various metal materials, such as galvanized pipes, nickel plated pipes, iron plates, stainless steel plates, copper plates, aluminum plates, etc., quickly. Suitable for welding some stainless steel nickel and copper materials. It can be used anytime, anywhere, even at low temperatures, to meet all your needs.Lighter Welding Wire Usage TutorialLighter welding wire is mostly low-temperature flux-cored wire, suitable for repairing small metal parts. The operation steps are simple, and the specific tutorial is as follows:1. Pretreatment: Grind the welding area with sandpaper to completely remove the paint layer, oxides and oil stains on the surface to avoid affecting the welding firmness; if welding small parts (such as wires), first twist and fix the ends to be welded to prevent displacement during welding.2. Heating and Welding: Hold a windproof lighter, evenly heat the welding area with the outer flame (the area with the highest temperature) of the flame, and at the same time gently scratch the end of the welding wire close to the heating point. When the temperature reaches above 360℃, the welding wire will melt by itself. Let the molten liquid flow into the weld seam or joint evenly to ensure complete coverage.3. Cooling and Forming: After the weld seam is full, first remove the lighter, keep the welded part still, and let it cool naturally. If rapid cooling is needed, apply a wet towel to the surrounding area lightly. No additional treatment of residues is required after cooling.Notes: It is only suitable for repairing thin parts and cannot replace an electric welding machine; avoid burning the same position with the flame for a long time during welding to prevent damage to the welded part, and do a good job of hand protection at the same time.The product weight includes the solder wire and the spool Seller: RoHS Certified Lead-Free Soldering Wire! 0.8/1.0mm Dual Sizes, Boost Batch Soldering Efficiency ⚙️Buyer: What makes it stand out for mass production?Seller: Tired of cold solder joints and flux residue corroding components? This industrial-grade lead-free soldering wire is built for electronic factory batch production and repair shop high-frequency operations. It’s loaded with 2.0% no-clean flux—solders firmly with zero rework, and fully compliant for global export!Buyer: Any core industrial advantages?Seller: Absolutely! First, compliance guaranteed: Lead-free eco-friendly material meets RoHS standards, heavy metal content way below international limits—export to Europe, America, Japan & Korea without testing worries. Second, efficient mass production: Low melting point (217℃) for fast melting, flux evenly coats the wire for smooth feeding—boosts single-shift soldering efficiency by 30%. Third, reliable solder joints: Made of high-purity tin alloy, joints are full and glossy, with strong oxidation resistance—no falling off even in -40℃~80℃ environments. Fourth, cost-effective: 20g/50g/100g options available, 100g industrial spool fits assembly line continuous work, no-clean flux cuts labor costs!