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SL 5240 – Durable Stereolithography Material that Simulates Polyporpylene

  • High durability
  • Accurate material with wide process latitude
  • Excellent side walls and fine features
  • Testing of new designs or reverse engineered parts
  • For polyporpylene-like parts
  • Best-in-class elongation at break for functional parts
  • Suitable for snap-fit parts

Measurement Method Value
90-minute
UV post-Cure		 Value
90-minute UV+ 2 hours @ 800 thermal post-cure
Hardness, Shore ASTM D 2240 84
Flexural modulus ASTM D 790 209-219 ksi
(1,441-1,510 MPa)
Flexural strength ASTM D 790 54-57 MPa
(7,800-8,200 PSI)
Tensile modulus ASTM D 638 1565-1689MPa
(227-245 KSI)
Tensile Strength ASTM D 638 36-38 MPA
(5200-5500PSI)
Elongation at break ASTM D 638 22-26%
Impact Strength, notched Izod ASTM D 256 43-53 J/m
(0.8-1.0 ft-lbs/in)
Heat deflection temp. ASTM D 648 136°F(58°C) @ 66 psi
122°F(50°C) @ 264 psi		 180°F(82°C) @ 66 psi
151°F(66°C) @ 264 psi
Glass transition, Tg DMA, E” peak 142°F(61°C)
Coefficient of thermal
expansion		 TMA (T<Tg)
TMA (T<Tg)		 122X10-6/°C
192X10-6/°C
Thermal conductivity ASTM E1225 0.27 W/m°K
(6.4X10-4Cal/sec.cm°C)
Density 1.19g/cc