---
product_id: 571914418
title: "Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G)"
brand: "sumwitum"
price: "฿543"
currency: THB
in_stock: false
reviews_count: 13
url: https://www.desertcart.co.th/products/571914418-sumwitum-solder-wire-0-8mm-soldering-wire-lead-free-sn99
store_origin: TH
region: Thailand
---

# 0.8mm diameter for precision Melting point 185-190°C for fast soldering Lead-free, eco-friendly alloy Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G)

**Brand:** sumwitum
**Price:** ฿543
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Solder smarter, not harder — join the pro repair revolution!

## Quick Answers

- **What is this?** Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) by sumwitum
- **How much does it cost?** ฿543 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/571914418-sumwitum-solder-wire-0-8mm-soldering-wire-lead-free-sn99)

## Best For

- sumwitum enthusiasts

## Why This Product

- Trusted sumwitum brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Smart Choice:** Lead-free Sn99.3 Cu0.7 alloy keeps your workspace safe and sustainable.
- • **Fast-Track Welding:** Melts quickly at 185-190°C, boosting your repair speed and efficiency.
- • **Pocket-Sized Power:** Compact 20g pack fits in your pocket for on-the-go fixes and DIY mastery.
- • **Precision Perfected:** 0.8mm diameter wire ensures clean, accurate solder joints every time.
- • **Rosin Core Advantage:** Built-in flux means no extra cleaning—just smooth, bright, reliable connections.

## Overview

Sumwitum’s 0.8mm lead-free solder wire features a high-purity Sn99.3 Cu0.7 alloy with a rosin flux core, melting efficiently at 185-190°C. Designed for precision and safety, this compact 20g spool delivers bright, strong solder joints ideal for electronics repair and DIY projects, all while supporting eco-conscious craftsmanship.

## Description

Product Features: 1.This solder wire is synthesized from Tin-Cu rosin, we ensure that the tin content is 99.3%, lead free. 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. Product Parameters: 1.Materials: Sn99.3%,Cu0.7%,Flux Rosin: 1.8-2% 2.Dimensions:5.5 x 5.5 x 2.9 cm/ 2.17 x 2.17 x 1.14 inches 3.Weight:20g 4.Packaging Size:5.5 x 5.5 x 2.9 cm/ 2.17 x 2.17 x 1.2 inches

Review: Really good - Works great, best product
Review: Perfaction - Perfactl solder…😊😊😊

## Features

- ★【Lead-free Solder Wire】lead-free solder wire with rosin core;Our solder wire is good solder ability both in electrical conductivity and thermal conductivity; The solder wire is made of high-quality materials, free of impurities, safe and reliable, and can be used for a long time.
- ★【Parameters】Electrical solder wire diameter is 0.032 inch (0.8mm), Flux content 2%, Net weight 12g Using matches can be melted and welded ,so that raise welding efficiency and quality. melting point range: 185°C - 190°C (365°F - 374°F)
- ★【Small Pack Design】Weld wire adopts a small design. You can put the solder wire pack on your pocket and Easy to carry and use.
- ★【Widely Applications】The alloy soldering wire is widely used in the repair of household appliances, you can repair household items such as Electronic Electrical / cell phone/headset / Remotes/ radio / audio / TV / Toys / circuit board / and other electrical devices.
- ★【After-sales service】 If you encounter any problems with our products, please contact us at any time, all your doubts will be replied in 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B3D8NLMB |
| Best Sellers Rank | #29,900 in Home Improvement ( See Top 100 in Home Improvement ) #133 in Soldering Accessories |
| Generic Name | solder wire |
| Included Components | solder wire |
| Item Weight | 20 g |
| Item model number | SW003 |
| Manufacturer | Sumwitum-UK |
| Net Quantity | 1.0 Count |
| Package Dimensions | 10.7 x 9.6 x 2.5 cm; 20 g |

## Images

![Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) - Image 1](https://m.media-amazon.com/images/I/41CyEOLuFzL.jpg)
![Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) - Image 2](https://m.media-amazon.com/images/I/41KV7Rv0nfL.jpg)
![Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) - Image 3](https://m.media-amazon.com/images/I/515eixKHHVL.jpg)
![Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) - Image 4](https://m.media-amazon.com/images/I/515kj0eKp8L.jpg)
![Sumwitum Solder Wire,0.8mm Soldering Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY. (20 G) - Image 5](https://m.media-amazon.com/images/I/51pdptpS55L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really good
*by A***A on 8 November 2025*

Works great, best product

### ⭐⭐⭐⭐ Perfaction
*by S***I on 7 August 2025*

Perfactl solder…😊😊😊

### ⭐⭐⭐⭐⭐ Very nice good product
*by P***Y on 24 December 2024*

Very nice 👍 Om namah shivaya 👍🙏🕉️

## Frequently Bought Together

- Solder Wire,0.8mm Soldering 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, Soldering Iron 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.co.th/products/571914418-sumwitum-solder-wire-0-8mm-soldering-wire-lead-free-sn99](https://www.desertcart.co.th/products/571914418-sumwitum-solder-wire-0-8mm-soldering-wire-lead-free-sn99)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-03*