WEST SYSTEM G/flex 655 Thickened Epoxy Adhesive
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Description
Description
Two-part, pre-thickened epoxy adhesive for gap-filling repairs and bonding dissimilar materials. Its non-sag consistency helps keep adhesive in the joint. The package includes resin and hardener.
Select one size or package from the options. Sizes shown together in a family photo are alternatives, not a combined order.
Choose your size or package
| Specification | 8 fl oz Kit (655-8) | 2 Quart Kit (655-2QT) | 2 Gallon Kit (655-2G) |
|---|---|---|---|
| Manufacturer part number | 655-8 | 655-2QT | 655-2G |
| Package | 8 fl oz Kit | 2 Quart Kit | 2 Gallon Kit |
| Contents | One 4 fl oz resin and one 4 fl oz hardener | 1 quart resin + 1 quart hardener | 1 gallon resin + 1 gallon hardener |
| Mix ratio by volume | 1:1 | See manufacturer guidance | See manufacturer guidance |
Manufacturer product information. Follow the product label and current manufacturer instructions for preparation and application.
Application and material selection
| Form | Pre-thickened, non-sag adhesive |
|---|---|
| Components | Resin and hardener included; mix equal volumes |
| Cured color | Amber |
| Typical uses | Bonding and repair of fiberglass, metals and wood; dissimilar-material joints |
G/flex is a separate epoxy system from 105 Resin and its 200-series hardeners. Follow the G/flex instructions for mixing and substrate preparation. Plastic adhesion varies with the plastic type; check the preparation method and test adhesion instead of assuming compatibility with every plastic.
Choose this thickened formulation when the adhesive needs to remain in a gap or joint. For wetting out reinforcing fabric, compare the liquid G/flex 650 formulation.
Manufacturer instructions and safety
- User manual and product guide
- Surface preparation by material
- Epoxy safety guidance
- Safety Data Sheets (SDS): choose the product and region
Browse the WEST SYSTEM collection for related epoxy systems and supplies.



