--- product_id: 626122165 title: "West System 206-B 206B Slow Hardener - .81.4l" brand: "west system" price: "āļŋ11947" currency: THB in_stock: true category: "West System" url: https://www.desertcart.co.th/products/626122165-west-system-206-b-206b-slow-hardener-81-4l store_origin: TH region: Thailand --- # Extended working time Moisture resistant High-strength bonding West System 206-B 206B Slow Hardener - .81.4l **Brand:** west system **Price:** āļŋ11947 **Availability:** ✅ In Stock ## Summary > âģ💊 Seal the deal with slow-cure strength that lasts! ## Quick Answers - **What is this?** West System 206-B 206B Slow Hardener - .81.4l by west system - **How much does it cost?** āļŋ11947 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/626122165-west-system-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 - â€Ē **Water-Resistant Finish:** Ideal for marine and outdoor applications where moisture is a challenge - â€Ē **Precision 5:1 Mix Ratio:** Optimized for perfect resin-hardener balance with WEST SYSTEM 105 Resin - â€Ē **Versatile Customization:** Easily modified with fillers, additives, and pigments for any project - â€Ē **Superior Structural Bonding:** Delivers rigid, high-strength bonds that last under stress - â€Ē **Slow Cure for Ultimate Control:** Extended working time lets you perfect every detail without rush ## Overview West System 206-B Slow Hardener is a low-viscosity epoxy curing agent designed to pair with WEST SYSTEM 105 Resin at a precise 5:1 ratio. It provides extended working and cure times, enabling meticulous application and superior bonding strength. The cured epoxy is rigid, moisture-resistant, and customizable with fillers and pigments, making it perfect for demanding structural and coating tasks, especially in marine and outdoor environments. ## 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. ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002NY6SM | | Best Sellers Rank | #96,230 in Automotive ( See Top 100 in Automotive ) #339 in Automotive Fillers, Adhesives & Sealants | | Brand Name | West System | | Compatible Material | Fiberglass | | Container Type | Can | | Customer Reviews | 4.7 4.7 out of 5 stars (310) | | Global Trade Identification Number | 00811343010614 | | Item Form | Liquid | | Item Package Quantity | 1 | | Item Weight | 2 Pounds | | Material Type | Epoxy Resin | | Model | 206-B | | Number of Pieces | 1 | | Other Special Features of the Product | Slow Curing | | Part Number | 206-B | | UPC | 656166678852 811343010614 | | Viscosity Level | Low | | Volume | 814 Milliliters | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** West System - **Item form:** Liquid - **Item package quantity:** 1 - **Material:** Epoxy Resin - **Special features:** Slow Curing ## Images ![West System 206-B 206B Slow Hardener - .81.4l - Image 1](https://m.media-amazon.com/images/I/817fw5Ge1aL.jpg) ## Questions & Answers **Q: coverage in sq. ft. ?** A: I would go to West Systems web site. I think you will get a idea of coverage there. **Q: Can i use this to paste wood to Concrete ?** A: I have not used it for that. There are a bunch of products on the market that are made to glue wood to concrete. Check with your local building supply store. My understanding is that this West product is for fiberglass to fiberglass ,wood to wood ect. **Q: i bought the 105 and 206 with pumps as set. reading further i dont know if i got the correct products. using on reclaimed pine flooring. any opinions?** A: it works fine for filling voids in wood slabs but it is not a finishing product **Q: How much VOC is there in this product?** A: Hello Adu. There are 9.59 g/L (0.08 lb/gal) of VOC's in the combined resin/hardener system of 105/206. More information can be found on our safety data sheet here https://www.westsystem.com/206-slow-hardener/ ## Frequently Bought Together - West System 206-B Slow Hardener - West System 105-B Epoxy Resin - WEST SYSTEM 300 Mini Pump Set --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/626122165-west-system-206-b-206b-slow-hardener-81-4l](https://www.desertcart.co.th/products/626122165-west-system-206-b-206b-slow-hardener-81-4l) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-01*