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SL7520 – High Throughput, Multi-Functional SL Material with Exceptional Surface Finishes

  • Exceptional green strength
  • High throughput, highly stable material
  • Suitable for RTV masters and tooling patterns
  • Suitable for functional and production parts
  • Suitable for QuickCast applications
  • Suitable for snap-fit parts

Post-Cured Material

Measurement

Test Method

Value
90-minute UV post-cure

Value
90-minute UV + 2 hours
@1600 thermal post-cure
Hardness, Shore D ASTM D 2240 86 90
Flexural modulus ASTM D 790 2,827-2,903 MPa (410-421 KSI) 3,785-3,854 MPa (549-559 KSI)
Flexural strength ASTM D 790 97-103 MPa (14,100-15,000 PSI) 90-127 MPa (13,100-18,400 PSI)
Tensile modulus ASTM D 638 2,937-3,158 MPa (426-458 KSI) 2,882-2,958 MPa (418-429 KSI)
Tensile strength ASTM D 638 62-65 MPa (9,000-9,400 PSI) 63-69 MPa (9,100-10,000 PSI)
Elongation at break ASTM D 638 5.2-7.2% 2.9-3.8%
Impact strength, notched Izod ASTM D 256 15.5-18.1 J/m (0.29-0.34 ft-lbs/in) 10.7-15.0 J/m (0.20-0.28 ft-lbs/in)
Heat deflection temperature ASTM D 648 @66PSI
@264 PSI		 54°C (129°F)
49°C (120°F)		 89°C (192°F)
72°C (162°F)
Glass transition, Tg DMA, E” peak 680C (1540F) 870C (1890F)
Coefficient of thermal expansion TMA(T<Tg) 99X10-6/0C 105X10-6/0C
Thermal conductivity 0.176W/m 0K (4.2X10-4cal/sec.cm.0C)
Density 1.24g/cm3