Table 4 Mechanical property evaluations after worst-case exposure to vaporized hydrogen peroxide
From: Low temperature vaporized hydrogen peroxide sterilization of 3D printed devices
Test Name | ASTM† | Material / % change | ||||
|---|---|---|---|---|---|---|
Formlabs BioMed Amber | Formlabs BioMed Clear | Stratasys MED610 | Stratasys MED615 | Stratasys MED620 | ||
Tensile Strength | D638 | -8.5% (V) -3.4% (H) | -5.0% (V) -5.3% (H) | -1.8% (V) -14.7% (H) | 4.2% (V) -16.6% (H) | 4.2% (V) -16.6% (H) |
Flexural Strength | D790 | -9.0% (V) -8.2% (H) | -6.8% (V) -3.6% (H) | -17.2% (V) -14.4% (H) | -21.6% (V) -16.8% (H) | -21.6% (V) -16.8% (H) |
Compressive Strength | D695 | -4.7% (V)* -8.6% (H)* | 29.2% (V)* 9.7% (H)* | -0.8% (V) 15.4% (H) | 15.7% (V) 8.1% (H)* | 15.7% (V) 8.1% (H)* |
Izod notched impact | D256 | -9.8% (V) 21.7% (H) | 7.2% (V) 32.1% (H) | 9.7% (V) -4.6 (H) | 19.0% (V) 24.3% (H) | 19.0% (V) 24.3% (H) |
Shore Hardness | D2240 | 1.0% | 0.0% | 1.2% | -0.7% * | -0.7% * |