Specialty Class

Accura® PEAK™

 

Stiff plastic material for heat-resistant components

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Features

• High heat resistance
• Very high rigidity and stiffness
• Excellent humidity/moisture resistance

Post-Cured Material

MEASUREMENT CONDITION METRIC U.S.
Tensile Strength (MPa/PSI) ASTM D 638 57-78 8270-11320
Tensile Modulus (MPa/KSI) ASTM D 638 4220-4790 612-695
Elongation at Break (%) ASTM D 638 1.3 – 2.5 1.3 – 2.5
Flexural Strength (MPa/PSI) ASTM D 790 77-126 11170-18380
Flexural Modulus (MPa/KSI) ASTM D 790 4180-4790 606-695
Impact Strength (J/m /Ft-lbs/in) ASTM D 256 21.3-27.3 0.4-0.5
Heat Deflection Temperature
UV Postcure Only
UV Postcure Only
120 °C thermal postcure
120 °C thermal postcure
ASTM D 648
@ 66 PSI
@ 264 PSI
@ 66 PSI
@ 264 PSI
78 °C
59 °C
153 °C
124 °C
172 °F
138 °F
307 °F
255 °F
Coefficient of Thermal
Expansion (CTE)
ASTM E 831-93
0-50 °C
50-120 °C
48
92
27
51
Glass Transition (Tg)
UV Postcure Only
120 °C thermal postcure
DMA, E” 80 °C
85-90 °C
176 °F
185-194 °F
Hardness, Shore D 86 86

 

Liquid Material

MEASUREMENT CONDITION VALUE
Viscosity @ 30 °C (86 °F) 605 cps
Penetration Depth (Dp) 5.6 mils
Critical Exposure (Ec) 11.5 mJ/cm2
Color Translucent Amber
Solid Density @ 25 °C (77 °F) 1.36 g/cm3
Liquid Density @ 25 °C (77 °F) 1.32 g/cm3