Skip to main content
. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Biomaterials. 2019 Sep 17;225:119493. doi: 10.1016/j.biomaterials.2019.119493

Table 5:

Available data on mechanical properties of polymers for use in implantable prosthetic heart valves.

Year Authors(s) Material Mechanical properties References
1958 Roe et al., San Francisco Silastic No. 50 Tensile strength = 5 MPa
Elongation at break = 250%
Hardness (Shore A) = 75
[200], [202]

1966 Roe et al., San Francisco General Electric No. SE-555 Tensile strength = 11 MPa
Elongation at break = 850%
Hardness (Shore A) = 45
Tear strength = 44 kN/m
[200], [202]

1977 Reul & Ghista, HIA Avcothane-51 E = 2.4 MPa (100% elongation at 37° C)
E = 4.4 MPa (300% elongation at 37° C)
Tear strength (Trouser) = 37 kN/m
[163], [166]

1977 Imamura & Kaye, Mayo Clinic ePTFE Tensile strength = 413 MPa [216]

1982 Wisman et al., Penn State SPU Tensile strength = 46 MPa
Elongation at break = 750%
Stress at 100% elongation = 5.9 MPa
Hardness (Shore A) = 75
[204], [232]

1987 Hilbert et al., NIH and FDA Biomer E = 2.5 MPa (100% elongation at 37° C)
E = 4.0 MPa (300% elongation at 37° C)
Tear strength (Trouser at 37° C) = 9.6 kN/m
Initial modulus E = 7.8 MPa
Tensile strength = 44 MPa
Tear strength = 70 kN/m
[166], [233]
[159]

1987 Herold et al., HIA Cardiomat 610 Tensile strength = 28.0 MPa
Elongation at break = 500%
Hardness (Shore A) = 80
[214]
Mitrathane M2007 Tensile strength = 39.2 MPa
Elongation at break = 775%
Hardness (Shore A) = 65
Pampul-3 Ameo Tensile strength = 49.0 MPa
Elongation at break = 605%
Hardness (Shore A) = 75
PUR 1025/1 Tensile strength = 50.6 MPa
Elongation at break = 649%
Hardness (Shore A) = 87

1995 Leat & Fisher, Leeds Eurothane 2003 E = 6 MPa [160], [161], [211]
IT C34 E = 7-10 MPa

1995 Wheatley et al., Glasgow Estane® 58201 no data given [35], [37]
Estane® 58315 E = 16.2 MPa [36], [38]
Elast-Eon™ & variants E = 5.0–63.6 MPa

2001 Fisher et al., Leeds Tecothane™ 80A E = 10 MPa [39]

2009 Seifalian et al., UCL POSS-PCU At 37° C
Young’s modulus = 15.9-26.2 MPa
Tensile strength = 31.0-55.9 MPa
Elongation at break = 762.7-852.4%
Tear strength (Die C) = 50.9-63.4 N/mm
[46], [47], [185], [188]

2009 Mohammadi et al., Ontario PVA-BC 2, 3, and 5-parameter isotropic Mooney-Rivlin hyperelastic models based on tensile test data for anisotropic PVA-BC, one set of models for longitudinal direction and another set for circumferential direction [175], [176], [189], [191]

2010 Bluestein et al, Innovia & Stony Brook SIBS-Dacron, xSIBS 2-parameter isotropic Mooney-Rivlin hyperelastic model based on tensile test data xSIBS tensile strength = 5 MPa [44], [165], [167], [169], [215], [228], [234]

2014 Prawel et al., Colorado State HA/LLDPE IPN E = 76.49-99.71 MPa
Yield strength = 8.23-9.74 MPa
Elongation at break = 476-787%
Bending stiffness = 12.93-21.72 nN-m2
[235]

2015 Zhu et al., Singapore ePTFE E = 34.17 ± 0.54 MPa [223]

2019 Guo et al., Shenyang PEGDA/PET Storage modulus:
Parallel to fibers = ~23.30 MPa
Perp. to fibers = ~9.68 MPa
[236]