--- product_id: 1661556 title: "WEST SYSTEM G/flex Epoxy (2- 4oz)" brand: "west system" price: "HK$405" currency: HKD in_stock: true reviews_count: 13 category: "West System" url: https://www.desertcart.hk/products/1661556-west-system-g-flex-epoxy-2-4oz store_origin: HK region: Hong Kong --- # Waterproof bonding 150,000 PSI tensile strength Bonds damp & exotic woods WEST SYSTEM G/flex Epoxy (2- 4oz) **Brand:** west system **Price:** HK$405 **Availability:** ✅ In Stock ## Summary > 🔧 Bond like a boss — waterproof, flexible, and unstoppable! ## Quick Answers - **What is this?** WEST SYSTEM G/flex Epoxy (2- 4oz) by west system - **How much does it cost?** HK$405 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/1661556-west-system-g-flex-epoxy-2-4oz) ## 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 - • **Effortless Application:** Smooth liquid formula that's easy to mix and apply, perfect for professional repairs. - • **Trusted by Pros & DIYers:** Top-rated (#10 Wood Glue) with 4.7 stars from 1,669+ users who demand lasting performance. - • **Flexibility Meets Strength:** Toughened epoxy with 150,000 PSI tensile strength that flexes without cracking. - • **Master of Difficult Surfaces:** Adheres tenaciously to exotic hardwoods, plastics, metals, and fiberglass with ease. - • **Unmatched Waterproof Durability:** Permanently bonds even underwater and on wet surfaces for ultimate reliability. ## Overview G/flex 650 Toughened Epoxy is a high-performance, waterproof adhesive designed in the USA to bond challenging materials including damp woods, plastics, metals, and fiberglass. With a tensile strength of 150,000 PSI and the ability to cure underwater, it delivers professional-grade durability and flexibility for demanding repairs and projects. ## Description Product description WEST SYSTEM Specialty Epoxies These specialty epoxies add even more versatility to the WEST SYSTEM line of epoxies. G/flex Thickened Epoxy syringe Great on plastics including HDPE, LDPE, ABS, PVC, Polycarbonate, and Hypalon. Easy-to-use syringe to dispense small quantities of epoxy Viscosity similar to gel toothpaste—won’t run or sag G/flex 655 is a toughened epoxy that makes permanent, waterproof structural bonds. It absorbs the stresses of expansion, contraction, shock, and vibration. G/flex adheres tenaciously to HDPE, LDPE ABS, PVC, Polycarbonate, and Hypalon plastics. It also bonds metal, glass, masonry, fiberglass, and wood. The G/flex 655-1 syringe contains 0.42 oz of resin and 0.42 oz of hardener, perfect for small repair jobs. G/flex Thickened Epoxy Adhesive G/flex is a 1:1 ratio, 2-part, toughened epoxy G/flex Thickened Epoxy Adhesive, just stir and apply Six10 Thickened Epoxy Adhesive Six10 Thickened Epoxy Adhesive is a two-part epoxy with a consistency similar to gel toothpaste. We manufacture it under vacuum to prevent entrapped air bubbles. Our in-house chemists formulated this toughened system with 8% elongation. Conveniently, Six10 requires no hand mixing when used with a standard caulk gun and the static mixing wand that comes with each cartridge (pictured caulk gun not included). The self-metering coaxial cartridge dispenses a gap-filling, structural adhesive that bonds tenaciously to wood, metals, fiberglass, and concrete. Six10 has a working time of over 40 minutes until the mixing wand becomes unusable. This adhesive has shear thinning properties, which means it moves more like a liquid when you work the material. This allows its use in cooler temperatures. You can also use it to wet out lightweight fiberglass cloth. It will cure in temperatures as low as 50°F (10°C). G/flex Epoxies G/flex is a two-part, toughened epoxy that can make structural bonds which absorb the stress of expansion, contraction, shock, and vibration. We formulated this system for high elongation with an ultimate elongation of around 30%. The increase in elongation and lower modulus (stiffness) that it provides equates to better adhesion to substrates. This helps it resist a peel or delamination from starting. G/flex has a 1:1 mix ratio by volume for easy measuring. It’s also ideal for bonding dissimilar materials. We offer it in two versions. The liquid version, G/flex 650, has a consistency similar to honey. You can thicken it with 406 Colloidal Silica to reach the same viscosity as the 655. The pre-thickened version, G/flex 655, has a consistency like gel toothpaste. With proper application techniques, it will bond to wet/damp substrates and dense or oily woods like teak and oak. G/5 Five-Minute Adhesive G/5 Five-Minute Adhesive is a two-part adhesive that will cure to a gel state within minutes. It has a 1:1 mix ratio by volume. You can wet sand it about 30 minutes after application. It is ideal for a temporary, quick cure that’s convenient for some applications like fabricating a quick custom sanding block with some scrap fiberglass cloth and a piece of foam. G/5 should not be used where high loads are expected or if it will be continually immersed in water. WEST SYSTEM Epoxies WEST SYSTEM offers high-quality epoxy resins, hardeners, fillers, and additives. Developed by our in-house chemists, our formulations are proprietary, structural, and marine grade. These epoxies have set the standard for epoxy quality in the marine industry and beyond since 1969. An ISO 9001:2015 certified company Founded in 1969, Gougeon Brothers, Inc. (GBI) formulates and manufactures WEST SYSTEM products. In 2020, NSF International recertified GBI's ISO 9001:2015 status, which ensures consistency in epoxy formulation, production, packaging, and instructional materials. ## Features - G/flex 650 is a toughened, versatile, liquid epoxy for permanent waterproof bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods. - G/flex adheres tenaciously to difficult- to-glue hardwoods, both tropical and domestic varieties. This is important since many of the exotic and tropical species now being used to replace traditional woods present bonding challenges. - G/flex has the ability to glue damp woods. It can be used on wet surfaces, even underwater when applied with specific techniques. - Country of origin: United States ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002IZFPQE | | Best Sellers Rank | #6,884 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Wood Glue | | Brand | West System | | Brand Name | West System | | Color | Clear | | Compatible Material | Aluminum | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 1,679 Reviews | | Full Cure Time | 2 Days | | Global Trade Identification Number | 00811343012007 | | Included Components | Epoxy | | Item Form | Liquid | | Item Package Quantity | 1 | | Item Type Name | epoxy | | Item Weight | 11.4 Ounces | | Manufacturer | WEST SYSTEM | | Material | Epoxy | | Material Type | Epoxy | | Model | NRS G/flex Epoxy (2- 4oz) | | Number of Pieces | 2 | | Other Special Features of the Product | Bonds damp woods, Adheres to difficult-to-glue hardwoods, Wet surface bonding, Underwater bonding, Bonds to polyethylene and ABS plastics | | Part Number | 2270 | | Special Feature | Bonds damp woods, Adheres to difficult-to-glue hardwoods, Wet surface bonding, Underwater bonding, Bonds to polyethylene and ABS plastics Special Feature Bonds damp woods, Adheres to difficult-to-glue hardwoods, Wet surface bonding, Underwater bonding, Bonds to polyethylene and ABS plastics See more | | Specific Uses For Product | Repair | | Tensile Strength | 150000 Pounds Per Square Inch | | UPC | 782854071060 811343012007 780333610724 | | Unit Count | 7.98 Fluid Ounces | | Viscosity Level | Medium to High | | Volume | 236 Milliliters | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** West System - **Item Form:** Liquid - **Material:** Epoxy - **Specific Uses For Product:** Repair ## Images ![WEST SYSTEM G/flex Epoxy (2- 4oz) - Image 1](https://m.media-amazon.com/images/I/715RKL9qezL.jpg) ![WEST SYSTEM G/flex Epoxy (2- 4oz) - Image 2](https://m.media-amazon.com/images/I/71LB8Xm3RrL.jpg) ![WEST SYSTEM G/flex Epoxy (2- 4oz) - Image 3](https://m.media-amazon.com/images/I/61jLT0H419L.jpg) ![WEST SYSTEM G/flex Epoxy (2- 4oz) - Image 4](https://m.media-amazon.com/images/I/71Rg7erA5wL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What is the shelf life of this epoxy?** A: Detailed information can be discovered by contacting West Systems technical staff at 866-937-8797 or via e:mail at tech-support@westsystem.com **Q: How much does this 8 oz cover? Approximately howmany rivets would this cover?** A: This is a highly subjective question with a lot of variables. If used somewhat conservatively it will easil cover 100 + Rivets. **Q: Is it somewhat rubbery or pretty firm after it cures? Could anyone please describe it?** A: it is not rubbery, it hardens to a very firm coat; how hard is dependent on your mix. it is flexible and holds together; however, less hardener the more flex with coverage. i have used it to gack bows, and it works well. **Q: is this an 8 oz bottle of the resin and an 8 oz bottle of the hardener?** A: It's 4 + 4 mate. 8 oz in total ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***N on February 3, 2026* ### ⭐⭐⭐⭐⭐ Review *by A***C on March 24, 2026* ### ⭐⭐⭐⭐⭐ Review *by J***F on January 12, 2026* ## Frequently Bought Together - WEST SYSTEM G/flex Epoxy (2- 4oz) - Coolneon 1/8 inch Brass Rods 1/8 x 12 in, 10 Pcs for Knife Making Knife Handles Pins Stock Knife Scale Solid Round Brass Rod Dowel Rivet Gunsmithing Crafts Modeling Hobby - G/Flex 655-1 1 oz syringe --- ## 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.hk/products/1661556-west-system-g-flex-epoxy-2-4oz](https://www.desertcart.hk/products/1661556-west-system-g-flex-epoxy-2-4oz) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-05-05*