---
product_id: 517738780
title: "Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032\")"
brand: "wyunway"
price: "₨18675"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/517738780-solder-wire-63-37-tin-lead-with-flux-rosin-core
store_origin: LK
region: Sri Lanka
---

# 0.8mm diameter for precise, smooth melting Built-in rosin flux core for effortless, clean joints 63% Tin / 37% Lead alloy for optimal conductivity Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032")

**Brand:** wyunway
**Price:** ₨18675
**Availability:** ✅ In Stock

## Summary

> 🔥 Solder smarter, not harder — flow like a pro with every joint!

## Quick Answers

- **What is this?** Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032") by wyunway
- **How much does it cost?** ₨18675 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/517738780-solder-wire-63-37-tin-lead-with-flux-rosin-core)

## Best For

- wyunway enthusiasts

## Why This Product

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

## Key Features

- • **Generous 1lb Supply:** Ample 450g spool keeps you stocked for multiple projects without constant reordering.
- • **Ready-to-Use Rosin Core:** Pre-fluxed solder wire eliminates extra steps, speeding up your workflow with clean, strong joints.
- • **Optimal Alloy Composition:** 63/37 Tin-Lead ratio delivers reliable electrical conductivity and durable connections.
- • **Professional Grade Quality:** Trusted by experts for consistent melting, excellent adhesion, and minimal residue every time.
- • **Precision Melt, Perfect Flow:** 0.8mm wire diameter ensures smooth, consistent soldering with minimal slag and smoke.

## Overview

This 1lb spool of 0.8mm solder wire features a premium 63/37 tin-lead alloy with a built-in rosin flux core, delivering smooth melting, strong electrical connections, and minimal smoke or slag. Ideal for professional and hobbyist electrical soldering, it offers consistent flow and adhesion for flawless joints every time.

## Description

Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032")

## Features

- High Quality Rosin Core Solder Wire Tin 63%- Lead 37% (Sn63-Pb37) 450g(1lb)
- Flux built in so its quick and easy to use and builds strong joints .Less slag and smoke
- Solder Melt easily and Great flow.It adheres well and melts consistently
- Solder wire Prefluxed built-in rosin core never even need to add any flux. Really good solder, it's easy to use, consistent flows beautifully, has no dirt/sludge, sticks well, and melts and sets immediately
- WARNING: THIS PRODUCT CONTAINS LEAD, A SUBSTANCE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER OR BIRTH DE- FECTS OR OTHER REPRODUCTIVE TOXICITY. FOR MORE INFORMATION, GO TO WWW.P65WARNINGS.CA.GOV

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | wyunway |
| Part Number | 6308450 |
| Item Weight | 15.8 ounces |
| Package Dimensions | 2.24 x 1.97 x 1.93 inches |
| Country of Origin | China |
| Item model number | 6308450 |
| Material | 0.8(0.032") 450g(1Lb) |
| Power Source | hand_powered |
| Included Components | Tin |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032") - Image 1](https://m.media-amazon.com/images/I/61aTeXQAyjL.jpg)

## Available Options

This product comes in different **Material Type** options.

## Frequently Bought Together

- wyunway Solder Wire 63/37 Tin/Lead with Flux Rosin Core for Electrical Soldering weight 1Lb(450g) 0.8mm(0.032")
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**Shop now:** [https://www.desertcart.lk/products/517738780-solder-wire-63-37-tin-lead-with-flux-rosin-core](https://www.desertcart.lk/products/517738780-solder-wire-63-37-tin-lead-with-flux-rosin-core)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-24*