Skip to content Skip to navigation menu

G/flex 655-8 Epoxy Adhesive


Model # 15537087 | Mfg # 655-8
In stock online.

G/flex 655 is a toughened, versatile epoxy that is conveniently pre-thickened for permanent bonding of plastic, fiberglass, ceramics, metals and damp and difficult-to-bond woods. With a modulus of elasticity of 150,000 PSI, it is a bit more flexible than standard epoxies and polyester, but much stiffer than adhesive sealants. This gives G/flex 655 the ability to make structural bonds that can absorb the stress of expansion, contraction, shock and vibration. It is ideal for bonding dissimilar materials. Mixed at a 1:1 ratio, G/flex 655 gives you 75 minutes of working time at room temperature. It reaches an initial cure in 7 to 10 hrs and full cure in 24 hrs. Includes one gallon of resin and one gallon of hardener. Includes 4 ounces of resin and 4 ounces of hardener.

G/flex Instructions 

G/flex 655-8 Epoxy Adhesive

Best Use Permanent Waterproof Bonding of Plastic, Fiberglass, Ceramics, Metals, Damp and Difficult-to-Bond Woods
Capacity 8 Ounce Resin
8 Ounce Hardener
Cure Time 7-10 Hours (Working Time 75 Minutes) at 72 F
Type Two-Part Epoxy

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.


by PowerReviews
West SystemG/flex 655 Epoxy Adhesive

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top


Great stuff

By Irish 1-3

from Fairport NY

About Me Casual/ Recreational

Verified Buyer


  • Easy to Use
  • Weather Proof


    Best Uses

      Comments about G/flex 655 Epoxy Adhesive:

      G flex easy to mix & easy to apply. Stuff is strong & water tight... I used on repair of my combo live well sprayer & sprayer down hose.

      • Was this a gift?:
      • No

      Displaying review 1

      Back to top