---
product_id: 253604212
title: "UV50 Solder Flux Paste UV Tin Rosin Flux for Electric Soldering Iron Welding Fluxes for PCB/BGA/PGA/SMD"
brand: "rubik"
price: "VT3901"
currency: VUV
in_stock: true
reviews_count: 11
category: "Rubik"
url: https://www.desertcart.vu/products/253604212-uv50-solder-flux-paste-uv-tin-rosin-flux-for-electric
store_origin: VU
region: Vanuatu
---

# Non-corrosive, protects sensitive circuits High boiling point for stable soldering Compact & lightweight 40g paste UV50 Solder Flux Paste UV Tin Rosin Flux for Electric Soldering Iron Welding Fluxes for PCB/BGA/PGA/SMD

**Brand:** rubik
**Price:** VT3901
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your solder game with UV50 – where precision meets power!

## Quick Answers

- **What is this?** UV50 Solder Flux Paste UV Tin Rosin Flux for Electric Soldering Iron Welding Fluxes for PCB/BGA/PGA/SMD by rubik
- **How much does it cost?** VT3901 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/253604212-uv50-solder-flux-paste-uv-tin-rosin-flux-for-electric)

## Best For

- rubik enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Sound:** Non-corrosive formula safeguards your integrated circuits
- • **Compact Convenience:** Lightweight 40g paste fits effortlessly in your toolkit
- • **Fast & Clean Finish:** Ensures quick soldering with easy post-use cleaning
- • **Heat-Resistant Hero:** Boiling point slightly above solder tin for reliable joints
- • **Precision Perfected:** Engineered for flawless PCB, BGA & SMD soldering

## Overview

UV50 Solder Flux Paste by Rubik is a premium, non-corrosive flux designed for precision electronic soldering on PCBs, BGAs, and SMDs. Its slightly higher boiling point than solder tin ensures durable, clean joints, while its compact 40g size offers easy handling and fast application. Trusted by professionals for safe, efficient, and high-quality soldering results.

## Description

Soldering iron flux is ideal for flux soldering in precision electronic product, PCB, BGA, etc.

Review: great - arrived fast and has good quality
Review: Good - I got the wrong size but it works great

## Features

- High quality soldering flux with excellent performance.
- Soldering iron flux use without concerns - not corrosive to integrated circuit board. Its boiling point is slightly higher than that of soldering tin.
- Lightweight with small volume, easy and convenient to use.
- Easy and durable soldering with this flux, as well as fast cleaning and good insulation.
- Soldering iron flux is ideal for flux soldering in precision electronic product, PCB, BGA, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08MYTWWGR |
| ASIN  | B08MYTWWGR |
| Batteries Required? | No |
| Best Sellers Rank | #1,987 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Solder, Solder Fluxes & Pastes |
| Customer Reviews | 4.2 4.2 out of 5 stars (136) |
| Customer reviews | 4.2 4.2 out of 5 stars (136) |
| Date First Available | 8 November 2020 |
| Date First Available  | 8 November 2020 |
| Item Weight | 40 g |
| Manufacturer | Rubik |
| Manufacturer  | Rubik |
| Manufacturer reference | RB-907SI-01 |
| Manufacturer reference  | RB-907SI-01 |
| Package Dimensions | 8.2 x 8 x 3 cm; 40 g |
| Package Dimensions  | 8.2 x 8 x 3 cm; 40 g |
| Part number | RB-907SI-01 |
| Style | UV50 Flux Paste |

## Images

![UV50 Solder Flux Paste UV Tin Rosin Flux for Electric Soldering Iron Welding Fluxes for PCB/BGA/PGA/SMD - Image 1](https://m.media-amazon.com/images/I/516lbcP-JCL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ great
*by T***R on 18 October 2024*

arrived fast and has good quality

### ⭐⭐⭐⭐ Good
*by T***O on 22 December 2024*

I got the wrong size but it works great

### ⭐⭐⭐⭐⭐ Works well
*by O***. on 4 December 2024*

Works well and has enough flux core

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**Shop now:** [https://www.desertcart.vu/products/253604212-uv50-solder-flux-paste-uv-tin-rosin-flux-for-electric](https://www.desertcart.vu/products/253604212-uv50-solder-flux-paste-uv-tin-rosin-flux-for-electric)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-08*