Rapid Prototyping for In Vitro Knee Rig Investigations of Prosthetized Knee Biomechanics: Comparison with Cobalt-Chromium Alloy Implant Material

Table 1

Material properties of the photopolymer resin.

Parameter	RGD 840 vero blue
Ingredients	Several acrylate oligomers; acrylic monomer; isobornyl acrylate; photoinitiator
Modulus of elasticity	2000–3000 MPa
Tensile strength	50–60 MPa
Elongation to break	15–25%
Shore hardness	83–86 (Scale D)
Rockwell hardness	73–76 (Scale M)