Typical Physical Properties

Test specimens cured at room temperature for two weeks, unless otherwise noted. Typical values; not to be construed as specifications. Neat epoxy specimens (i.e., containing no fillers or fiber reinforcements) were used for testing.

Property 105/205 105/206 105/207 105/209 Six10 G/flex
Mix Ratio by weight* 5.07:1 5.0:1 3.7:1 3.56:1  n/a 1.2:1
Mix Viscosity @ 72°F (cPs) 975 725 760 650  gel** 15,000
Pot Life of 100 g @ 72°F (min.) 12 21.5 22 62  42 45
Specific Gravity of Cured Resin 1.18 1.18 1.15 1.16    
Hardness @ 2 weeks (Shore D) 83 83 84.4 82  80.6 75
Compression Yield @ 2 weeks (PSI) 11,418 11,500 11,043 11,960  9,693 5,268
Tensile Strength (PSI) 7,846 7,320 6,748 7,280  6,438 3,440
Tensile Elongation (%) 3.4 4.5 3.8 3.6  7.9 32.7
Tensile Modulus (PSI) 4.08E+05 4.60E+05 4.40E+05 3.98E+05  3.71E+05 1.44E+05
Flexural Strength (PSI) 14,112 11,810 11,324 12,459  11,320 5,192
Flexural Modulus (PSI) 4.61E+05 4.50E+05 4.12E+05 3.97E+05  3.51E+05 1.56E+05
Heat Deflection Temperature (°F) 118 123 117 117  127 127
Onset of Tg by DSC (°F) 129 126 116 122   138
Ultimate Tg by DSC (°F) 142 139 116 130   154
Annular Shear Fatigue (lbs @ 100,000 cycles) 10,629 10,047 9,623 9,857
 
Izod Impact, notched (ft-lbs/in) 0.93 0.54 1.45 1.33   1.28

* Actual Ratio Dispensed by Calibrated WEST SYSTEM® Mini pumps.
** Viscosity data for Six10 at various sheer rates is available on request.

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