---
product_id: 438207707
title: "Kester 186 Liquid Soldering Flux, RMA Rosin, 2-ounce Bottle"
brand: "kester"
price: "VT15787"
currency: VUV
in_stock: true
category: "Kester"
url: https://www.desertcart.vu/products/438207707-kester-186-liquid-soldering-flux-rma-rosin-2-ounce-bottle
store_origin: VU
region: Vanuatu
---

# Soluble residue in standard cleaning solvents High thermal stability for multi-layer soldering Low residue, no interference with electrical testing Kester 186 Liquid Soldering Flux, RMA Rosin, 2-ounce Bottle

**Brand:** kester
**Price:** VT15787
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your solder game with Kester 186 — where precision meets performance!

## Quick Answers

- **What is this?** Kester 186 Liquid Soldering Flux, RMA Rosin, 2-ounce Bottle by kester
- **How much does it cost?** VT15787 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/438207707-kester-186-liquid-soldering-flux-rma-rosin-2-ounce-bottle)

## Best For

- kester enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Ready:** 2-ounce bottle designed for professional convenience
- • **Clean & Reliable:** Leaves minimal residue to ensure flawless electrical testing
- • **Optimized for Rework:** Minimizes solder bridges and shorts during repairs
- • **Cost-Efficient Workflow:** Eliminates expensive cleaning steps post-soldering
- • **Precision Thermal Control:** Handles high preheat temps without degrading performance

## Overview

Kester 186 Liquid Soldering Flux is a premium rosin-based flux engineered for high-temperature multi-layer PCB soldering and rework. Its low solids and activator system ensure minimal residue, preventing interference with electrical testing and reducing solder defects. Packaged in a convenient 2-ounce bottle, it streamlines your workflow by eliminating costly cleaning steps, making it the go-to choice for professional electronics assembly and repair.

## Description

Kester 186 is a rosin-based organic flux that is specifically designed for rework of conventional and surface mount circuit board assemblies. The low solids content and activator system results in LOW RESIDUE left on the assembly after soldering. There are no residues to interfere with electrical testing. Kester 186 flux exhibits improved soldering performance to minimize solder bridges (shorts) during rework operations.

## Features

- High thermal stability for soldering multi-layer assemblies which require higher temperatures
- High preheat temperatures does not degrade solubility of the residue in normal cleaning solvents
- Improves soldering performance
- 2-Ounce Bottle
- Eliminates the need and expense of cleaning

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Kester |
| Manufacturer | Kester |
| Item Weight | 72.6 g |
| Package Dimensions | 15.24 x 10.16 x 10.16 cm; 72.57 g |
| Item part number | 186-2 |
| Power Source | Solar Powered |
| Are batteries included? | No |

## Images

![Kester 186 Liquid Soldering Flux, RMA Rosin, 2-ounce Bottle - Image 1](https://m.media-amazon.com/images/I/61nmi5QuCJL.jpg)

## Frequently Bought Together

- Kester 186 Liquid Soldering Flux, RMA Rosin, 2-ounce Bottle
- Kester 44 Solder Wire, 63/37 0.031”, RMA Rosin, 1-ounce Tube
- Lesnow solder wick braid 10ft Length Desoldering Wick Braid Remover Tool Solder Sucker 1 piece No-Clean soldering Wick Wire Roll and Disassemble Electrical Components

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**Shop now:** [https://www.desertcart.vu/products/438207707-kester-186-liquid-soldering-flux-rma-rosin-2-ounce-bottle](https://www.desertcart.vu/products/438207707-kester-186-liquid-soldering-flux-rma-rosin-2-ounce-bottle)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-17*