ERISYS GS-120 is the diepoxide of a long chain aliphatic dimer acid.  GS-120 is expected to find utility as a reactive additive
which imparts a degree of flexibility to normally rigid epoxy systems.  The low viscosity of GS-120 will reduce the viscosity of
your formulation, allowing for increased filler loading and improved handling.  GS-120 will increase toughness and tensile elongation,
and improve impact and thermal shock resistance.  Improvements in tensile shear and peel
adhesion will also be realized.
These benefits are achieved, however, with some sacrifice in elevated temperature performance and chemical resistance.

GS-120 is typically used as a flexibilizing diluent with liquid DGEBA resins such as EPALLOY 7190.  It is also ideally suited
for use as a reactive diluent for use with HyPox
DA323, a dimer adduct of DGEBA resin.  In combination with other resins the possibility of forming incompatible blends exists and, therefore, the use of GS-120 may have to be avoided  for some applications.

EPALLOY 7190/GS-120 blends can be cured with all typical epoxy curing agents except epoxy/amine adducts, where
incompatible cured formulations may result.   



Attribute Value
Typical Properties
Viscosity @ 25 C, cps 400-900
Epoxide Equivalent Weight, g/eq 390-470
APHA Color, max 9 (Gardner Color)
Hydrolyzable Chloride, Max % 2.0
Flash Point,C (F) >200
Application Group Application Description  

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