---
product_id: 1661556
title: "West System G/Flex 650 Epoxy Adhesive, 2 x 4 oz | Toughened & Flexible"
brand: "west system"
price: "282 zł"
currency: PLN
in_stock: true
category: "West System"
url: https://www.desertcart.pl/products/1661556-west-system-g-flex-650-epoxy-adhesive-2-x-4
store_origin: PL
region: Poland
---

# Waterproof & underwater bonding Cold & damp surface adhesion 150,000 psi tensile strength West System G/Flex 650 Epoxy Adhesive, 2 x 4 oz | Toughened & Flexible

**Brand:** west system
**Price:** 282 zł
**Availability:** ✅ In Stock

## Summary

> 🛠️ Bond Beyond Limits — Tough, Flexible, and Ready for Anything!

## Quick Answers

- **What is this?** West System G/Flex 650 Epoxy Adhesive, 2 x 4 oz | Toughened & Flexible by west system
- **How much does it cost?** 282 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/1661556-west-system-g-flex-650-epoxy-adhesive-2-x-4)

## 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

- • **Unmatched Strength:** Delivers a powerful 150,000 psi tensile strength for permanent, toughened bonds.
- • **Flexible Durability:** Engineered to flex under stress, resisting cracks and bond failure where movement is expected.
- • **Multi-Material Mastery:** Reliable adhesion on fiberglass, metals, ceramics, plastics, and hard-to-bond woods.
- • **Marine-Grade Waterproofing:** Seamlessly bonds underwater and on wet surfaces—perfect for marine and outdoor repairs.
- • **Made in the USA with Precision:** Two-part epoxy system ensures consistent mixing and expert-backed performance every time.

## Overview

WEST SYSTEM G/flex 650 Epoxy Adhesive is a premium, toughened structural epoxy designed for demanding repairs. It offers exceptional tensile strength (150,000 psi), bonds reliably to challenging materials including damp and underwater surfaces, and features a flexible formulation that resists cracking under stress. Ideal for marine, cold weather, and multi-material applications, this two-part epoxy system is made in the USA and trusted by professionals for long-lasting, waterproof bonds.

## Description

WEST SYSTEM G/flex Epoxy (2- 4oz)

## Features

- Toughened structural epoxy for permanent bonds – WEST SYSTEMG/flex 650 epoxy is a toughened, liquid structural epoxy resin designed for long-lasting, waterproof bonding in demanding repair and fabrication applications.
- Reliable adhesion to difficult materials – This G/flex epoxy bonds fiberglass, metals, ceramics, plastics, and hard-to-bond woods that often challenge conventional epoxy resin systems.
- Performs in marine and cold conditions – Adheres to damp wood and wet surfaces and can be applied underwater using proper techniques, making it well suited for marine epoxy repairs and cold weather epoxy use.
- Flexible formulation resists bond failure – Unlike rigid epoxy resin kits, G/flex epoxy allows controlled flex to improve peel strength and impact resistance where movement or vibration is expected.
- Complete epoxy and hardener system – Supplied as a two-part Made in the USA WEST SYSTEMepoxy resin and hardener, G/flex 650 delivers predictable mixing and performance backed by WEST SYSTEMtechnical expertise.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002IZFPQE |
| Best Sellers Rank | #6,690 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Wood Glue |
| Brand Name | West System |
| Color | Clear |
| Compatible Material | Aluminum |
| Container Type | Bottle |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,774) |
| Full Cure Time | 2 days |
| Global Trade Identification Number | 00811343012007 |
| Included Components | Epoxy |
| Item Form | Liquid |
| Item Highlight | Bond wood, metal, and fiberglass with lasting strength using this toughened, flexible marine-grade epoxy adhesive. |
| Item Package Quantity | 1 |
| Item Type Name | epoxy |
| Item Weight | 11.4 ounces |
| Manufacturer | WEST SYSTEM |
| 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 |
| Specific Uses For Product | Repair |
| Tensile Strength | 150000 psi |
| UPC | 782854071060 811343012007 780333610724 |
| Unit Count | 7.98 Fluid Ounces |
| Viscosity Level | Medium to High |
| Volume | 236 ml |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** West System
- **Item Form:** Liquid
- **Material:** Epoxy
- **Specific Uses For Product:** Repair

## Images

![West System G/Flex 650 Epoxy Adhesive, 2 x 4 oz | Toughened & Flexible - Image 1](https://m.media-amazon.com/images/I/715RKL9qezL.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

## 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

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**Shop now:** [https://www.desertcart.pl/products/1661556-west-system-g-flex-650-epoxy-adhesive-2-x-4](https://www.desertcart.pl/products/1661556-west-system-g-flex-650-epoxy-adhesive-2-x-4)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-10-22*