--- product_id: 477763297 title: "Solder,0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g)" brand: "yiapinn" price: "$9.79" currency: USD in_stock: true reviews_count: 12 category: "Yiapinn" url: https://www.desertcart.us/products/477763297-solder-0-8mm-solder-wire-lead-free-sn99-3-cu0 store_origin: US region: United States of America --- # High electrical & thermal conductivity Low melting point 183-190°C 0.8mm diameter, 20g spool compact size Solder,0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g) **Brand:** yiapinn **Price:** $9.79 **Availability:** ✅ In Stock ## Summary > ⚡ Solder Smarter, Repair Faster — Join the elite DIY pros! ## Quick Answers - **What is this?** Solder,0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g) by yiapinn - **How much does it cost?** $9.79 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/477763297-solder-0-8mm-solder-wire-lead-free-sn99-3-cu0) ## Best For - yiapinn enthusiasts ## Why This Product - Trusted yiapinn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lead-Free & Eco-Safe:** Sn99.3% Cu0.7% alloy ensures safe, non-toxic soldering without compromising quality. - • **Rosin Core Flux Power:** Built-in rosin flux boosts fluidity and strong joints—no post-cleaning hassle. - • **Pocket-Ready Portability:** Compact 20g spool fits easily in your toolkit or pocket for on-the-go repairs. - • **Effortless Precision Welding:** 0.8mm diameter for fine, controlled soldering on delicate electronics. - • **Versatile Electronics Savior:** Perfect for smartphones, motherboards, toys, and all your DIY electronic projects. ## Overview This 0.8mm lead-free solder wire features a high-purity Sn99.3% Cu0.7% alloy with a rosin core flux, delivering excellent electrical and thermal conductivity. Its low melting point (183-190°C) ensures efficient, clean solder joints with minimal slag. Compact and portable at 20g, it’s designed for precision electronic repairs across a wide range of devices, making it a must-have for professional and hobbyist technicians alike. ## Description Product Features: 1.This solder wire is synthesized from Tin-Cu rosin. 2.Less welding slag, bright solder joints. 3.Solder has good wettability, Strong solder joint. 4.With rosin flux, good fluidity, avoid cleaning after welding.5.Materials: Sn99.3%,Cu0.7%,Flux Rosin: 1.8-2% Product Parameters: 1.Materials: Sn99.3%,Cu0.7%,Flux Rosin: 1.8-2% 2.Dimensions:4.4 x 4.4 x 2.2 cm/ 1.73 x 1.73 x 0.86 inches 3.Weight:20g(Including spool),Net Weight:15g 4.Packaging Size:10.5 x 8.5 x 2.2 cm/ 4.13 x 3.34 x 0.86 inches 5.Packaging Weight: 21g Package Includes: Lead Free Solder Wire with Rosin Core X 1 Review: good price and quality - Not used at moment but seems to be of good quality and only be using for the one job that I have coming up. really solder just works if used properly Review: I recommend this product. - Great value for the money, works well when soldering very thin wires. ## Features - 【High Quality Lead-free Solder Wire】lead-free solder wire with rosin core;This solder wire has good solder ability both in electrical conductivity and thermal conductivity; Our solder wire is made of high-quality materials(Refined Tin), free of impurities, safe and reliable. - 【Solder Wire Parameters】Our electronic solder wire diameter models have 0.032 inch,0.024inch (0.8mm,0.6mm), Gross weight 20g,60g,110g,Flux content 2%. The solder wire has a low melting point, can raise the welding efficiency and quality. melting point range: 183°C - 190°C (361°F - 374°F) - 【Favorable Designs】Select refined tin material,The solder flows well when heating and melting. Good solder ability both in electrical conductivity and thermal conductivity. ​The solder wire adopts a small design,You can put the solder wire in your pockets,easy to carry and store. - 【Wide Range of Applications】Our sn-cu alloy soldering wire is designed for almost all kinds of electrical electronic repairs, for example cell phone, computer circuit board, headset,TVs, stereos, toys, motors, mother board, all kinds of household appliances and other electronics devices. - 【After-sales service】If you have any problems with our products, please feel free to contact us at any time, and all your questions will be answered within 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BFW8TS6H | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 443 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Solder | | Customer Reviews | 4.5 4.5 out of 5 stars (1,707) | | Date First Available | 20 Sept. 2022 | | Guaranteed software updates until | unknown | | Item Weight | 20 g | | Manufacturer | Yiapinn | | Manufacturer reference | HJ-JH-331 | | Package Dimensions | 10 x 7.4 x 2.2 cm; 20 g | | Part Number | HJ-JH-331 | | Size | 0.8mm-15g(Net) | ## Images ![Solder,0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g) - Image 1](https://m.media-amazon.com/images/I/61DteZ5MPuL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Anyone know where I can get a safety data sheet for this please?** A: Usually, reputable supplier like R/S Components, CPC, Farnell etc will have documents attached with all relevant information. Amazon just sell stuff on behalf of suppliers. It's the suppliers who should give such manufacturers information. **Q: could this solder be used to solder 28awg wires to usb connectors?** A: Yes absolutly,make sure the usb connectors are free from any dust which may be present **Q: New to soldering, do I need seperate flux or is this solder fine to use as it comes?** A: No need for flux, this solder works perfectly (All in one) **Q: Can this be used for stain glass projects** A: not really too sure but i would not use it you see leaded solder has a little bit of flex to it but this stuff is too hard and needs a higher heat to mealt so i wouldnt use it. stick with lead ## Customer Reviews ### ⭐⭐⭐⭐⭐ good price and quality *by Z***0 on 7 October 2026* Not used at moment but seems to be of good quality and only be using for the one job that I have coming up. really solder just works if used properly ### ⭐⭐⭐⭐⭐ I recommend this product. *by L***E on 21 August 2026* Great value for the money, works well when soldering very thin wires. ### ⭐⭐⭐⭐ Decent solder and better than some others I have purchased. *by J***H on 18 April 2026* Re Solder Wire Net 50g 0.8mm Soldering Wire Does what it should do, and would recommend for electronics geeks like me, who are always repairing something or other. ## Frequently Bought Together - Solder,0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g) - Solder Flux Paste 10g Rosin Solder Flux Tin Paste Solder Grease No-Clean Lead-Free Flux Environmentally Friendly Solder Paste Welding Repair Tool for Phone Computer SMD PCB BGA Home Appliance - Soldering Iron Kit, 90W Adjustable Temperature Soldering-Iron Gun Kit Welding Tool with 5 Soldering Tips, Desoldering Pump, Tin Wire Tube, Stand, Tweezers --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/477763297-solder-0-8mm-solder-wire-lead-free-sn99-3-cu0](https://www.desertcart.us/products/477763297-solder-0-8mm-solder-wire-lead-free-sn99-3-cu0) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-18*