TPU Thermoplastic Polyurethane (Ether 85A) vs Vinyl Ester Resin (neat cast Derakane 441 type)
Property comparison of TPU Thermoplastic Polyurethane (Ether 85A) and Vinyl Ester Resin (neat cast Derakane 441 type), both polymer.
| Property | TPU Thermoplastic Polyurethane (Ether 85A) | Vinyl Ester Resin (neat cast Derakane 441 type) | Difference |
|---|---|---|---|
| Tensile strength | 40 MPa | 78 MPa | +95% |
| Elongation | 500 % | 5 % | -99% |
| Poisson ratio | 0.49 | 0.37 | -24% |
| Density | 1,200 kg/m³ | 1,080 kg/m³ | -10% |
| Thermal conductivity | 0.23 W/m·K | 0.21 W/m·K | -9% |
| Specific heat | 1,800 J/kg·K | 1,280 J/kg·K | -29% |
| Coefficient of thermal expansion | 0.00017 1/K | 0.000058 1/K | -66% |
Difference is Vinyl Ester Resin (neat cast Derakane 441 type) relative to TPU Thermoplastic Polyurethane (Ether 85A). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators