---
product_id: 626122165
title: "206-B 206B Slow Hardener - .81.4l"
brand: "west system"
price: "€ 159.58"
currency: EUR
in_stock: true
reviews_count: 5
category: "West System"
url: https://www.desertcart.fi/products/626122165-206-b-206b-slow-hardener-81-4l
store_origin: FI
region: Finland
---

# Extended working time High-strength rigid bond Stable cure at high temps 206-B 206B Slow Hardener - .81.4l

**Brand:** west system
**Price:** € 159.58
**Availability:** ✅ In Stock

## Summary

> ⏳ Slow down your cure, speed up your success!

## Quick Answers

- **What is this?** 206-B 206B Slow Hardener - .81.4l by west system
- **How much does it cost?** € 159.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/626122165-206-b-206b-slow-hardener-81-4l)

## Best For

- west system enthusiasts

## Why This Product

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

## Key Features

- • **Low Viscosity Flow:** Smooth application and superior penetration for professional finishes
- • **Customizable Formula:** Easily modified with fillers, pigments & additives for any project
- • **Precision 5:1 Mix Ratio:** Optimized resin-to-hardener balance for flawless curing
- • **Temperature-Resilient Cure:** Reliable curing even in elevated temperatures for consistent results
- • **Moisture-Resistant Durability:** Ensures long-lasting, high-performance bonds in challenging environments

## Overview

West System 206-B Slow Hardener is a low-viscosity epoxy curing agent designed to extend working time and provide a high-strength, moisture-resistant bond when paired with 105 Resin at a precise 5:1 ratio. Ideal for coating, fiberglass application, structural bonding, and fairing, it offers customizable versatility with fillers and pigments, curing reliably even at higher temperatures. Not intended for clear coating, this product is a trusted choice for professionals seeking durable, high-performance epoxy solutions.

## Description

206 Slow Hardener is a low-viscosity epoxy curing agent for use with WEST SYSTEM 105 Resin when extended working and cure time is needed or to provide adequate working time at higher temperatures. When combined with 105 Resin in a five-part resin to one-part hardener ratio, the cured resin-hardener mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and coating properties. Not intended for clear coating. 206 B size hardener is matched for use with 105 B size resin.

Review: Good Product, A++
Review: Great Product

## Features

- PAIR WITH 105-B WEST SYSTEM 105 Epoxy Resin at a 5-parts resin to 1-part hardener ratio.
- EASILY MODIFIED with WEST SYSTEM Fillers, Additives, and Pigments to suit the job at hand, whether coating, applying fiberglass, structural bonding, or fairing. Not intended for clear coating.

## Images

![206-B 206B Slow Hardener - .81.4l - Image 1](https://m.media-amazon.com/images/I/817fw5Ge1aL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 22 December 2025*

Good Product, A++

### ⭐⭐⭐⭐⭐ Review
*by J***S on 12 December 2024*

Great Product

### ⭐⭐⭐⭐⭐ Review
*by O***S on 11 June 2025*

Nice to get it at home versus finding a West Marine supply store 2 hours away. As always, product does what it says it will and work s perfectly. Just you wish it was a little cheaper as the price seems a bit inflated but about the same that you would spend at a store.

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**Shop now:** [https://www.desertcart.fi/products/626122165-206-b-206b-slow-hardener-81-4l](https://www.desertcart.fi/products/626122165-206-b-206b-slow-hardener-81-4l)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-08*