---
product_id: 11971074
title: "83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz."
brand: "kester"
price: "R532"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/11971074-83-1000-0186-mildly-activated-rosin-liquid-flux-pen-lead
store_origin: ZA
region: South Africa
---

# ORH1 certified pH Neutral High activity 83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz.

**Brand:** kester
**Price:** R532
**Availability:** ✅ In Stock

## Summary

> 🔧 Solder Like a Pro with Kester83!

## Quick Answers

- **What is this?** 83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz. by kester
- **How much does it cost?** R532 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/11971074-83-1000-0186-mildly-activated-rosin-liquid-flux-pen-lead)

## 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

- • **Industry Approved:** Classified as ORH1 per J-STD-004 for top-tier performance.
- • **Unleash Precision:** Experience high activity for flawless soldering.
- • **Compact Convenience:** Lightweight and portable at just 0.81 ounces.
- • **Compatibility Champion:** Works seamlessly with most solder masks and board laminates.
- • **Eco-Friendly Chemistry:** Enjoy peace of mind with pH neutral formulation.

## Overview

The Kester83-1000-0186 Mildly Activated Rosin Liquid Flux Pen is a high-performance soldering solution designed for both lead-bearing and lead-free alloys. With its pH neutral chemistry and ORH1 classification, this 0.33 fl. oz. pen ensures compatibility with a wide range of solder masks and board laminates, making it an essential tool for professionals seeking precision and reliability in their soldering tasks.

## Description

Kester 83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz.

## Features

- High activity
- Chemically compatible with most solder masks and board laminates
- pH Neutral Chemistry
- Classified as ORH1 per J-STD-004

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NTE Electronics, Inc. |
| Part Number | 83-1000-0186 |
| Item Weight | 0.81 ounces |
| Package Dimensions | 5.5 x 0.5 x 0.5 inches |
| Item model number | 83-1000-0186 |
| Is Discontinued By Manufacturer | No |
| Size | 0.33 Fl Oz (Pack of 1) |
| Color | Original Version |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| National Stock Number | 3439-01-510-2558 |

## Images

![83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz. - Image 1](https://m.media-amazon.com/images/I/51+ryQAbzsL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: This is listed as one pack; how many pens come in the pack?**
A: One pen

**Q: What does the applicator tip look like? Does it drip out if you apply pressure drop by drop like super glue or is it something else?**
A: Works like a felt tip marker.

**Q: Hello is this the same  flux as kester 186 rosin soldering flux 2oz bottle, rma no clean lead free and can i get it in a case like in your pics**
A: Yes it is just in a pen instead of a bottle.  We sell them per pen not in case quantities. The picture is per piece.

**Q: Does this solder contain lead ?**
A: This isn't solder.  It is soldering Flux.  It's an alcohol based liquid that you apply before soldering an electrical connection .

## Frequently Bought Together

- Kester 83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz.
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**Shop now:** [https://www.desertcart.co.za/products/11971074-83-1000-0186-mildly-activated-rosin-liquid-flux-pen-lead](https://www.desertcart.co.za/products/11971074-83-1000-0186-mildly-activated-rosin-liquid-flux-pen-lead)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-20*