3d-Cam: The Cutting Edge in Rapid Prototyping, Rapid Tooling, Stereolithography 3d-Cam: The Cutting Edge in Rapid Prototyping, Rapid Tooling, Stereolithography


Tech Support: Materials

SLA Resins
 

SL 5240 - Durable Stereolithography Material that Simulates Polyporpylene

  • High durability

  • Accurate material with wide process latitude

  • Excellent side walls and fine features

  • For polyporpylene-like parts

  • Best-in-class elongation at break for functional parts

  • Suitable for snap-fit parts

Typical Physical Properties: Post Cured Material

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  

 

 

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