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Amatrium Materials AI
Gougeon Brothers West System® G/flex® Epoxies
Categories: Polymer; Thermoset; Epoxy

Material Notes: G/flex Epoxies are toughened, resilient two-part epoxies engineered for a superior grip to metals, plastics, glass, masonry, fiberglass, and wet and difficult-to-bond woods. G/flex Epoxies are available in two consistencies. G/flex 650 Epoxy is a liquid epoxy with a honey-like consistency. G/flex 655 Epoxy Adhesive is pre-thickened with a consistency similar to gel toothpaste. Both have an easy-to-use 1:1 mix ratio. G/flex provides a relatively long open working time, yet it cures quickly and can be used in cool temperatures. G/flex Epoxies are toughened to make them resilient and impact resistant, giving them the ability to make structural bonds that can absorb the stresses of expansion, contraction, shock, and vibration. With a modulus of elasticity of 150,000 psi, G/flex is more flexible and can deflect further before breaking than WEST SYSTEM 105/205, while being much stiffer than typical adhesive sealants. G/flex adheres tenaciously to difficult-to-glue hardwoods, both tropical and domestic varieties. It can be used to bond metals, plastics, glass, masonry, and fiberglass. G/flex is ideal for repairs to aluminum boats and polyethylene and ABS canoes and kayaks. It can also be used to wet out and bond fiberglass tapes and fabrics. G/flex 650 can be modified with WEST SYSTEM fillers and additives and added to other WEST SYSTEM epoxies to improve their toughness and flexibility.

Information provided by Gougeon Brothers, Inc.

Vendors:
Available Properties
  • Specific Gravity
  • Viscosity, ASTM D-2393, G/flex 650
  • Hardness, Shore D, ASTM D-2240
  • Tensile Strength, ASTM D638
  • Elongation at Break, ASTM D638
  • Tensile Modulus, ASTM D-638
  • Flexural Strength, ASTM D-790
  • Flexural Modulus, ASTM D-790
  • Compressive Yield Strength, ASTM D-695
  • Deflection Temperature at 0.46 MPa (66 psi), ASTM D-648
  • Glass Transition Temp, Tg, Onset
  • Glass Transition Temp, Tg, Ultimate
  • Cure Time, Initial cure
  • Cure Time, Workable cure
  • Pot Life, 100 g
  • Working Life
  
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Category Notes
Plastic

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