These thermoplastic polyester elastomer balls (TPEE) combine the advantages of rubber and plastic, offering remarkable flexibility and excellent resistance to abrasion and corrosion. Their wide temperature range makes them ideal for various technical applications. Marteau- Lemarie, with 40 years of expertise, ensures a stock available in France for quick delivery.
Physical characteristics of hytrel® ball – TPEE
| Ownership | Value | Unit |
|---|---|---|
| Density | 1.14 | g/cm3 |
| Young Module | 57 | MPa |
| Thermal expansion coefficient | 185 (T=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 0.19 | W/m·K |
| Volume resistivity | >10^10 | D·m |
| Relative magnetic permeability | <~1 | — |
| Magnetic behaviour | Diamagnetic | — |
| Friction coefficient | 0.31 | — |
| Absorption of moisture (24 h) | 0.68 | % |
Hardness and mechanical resistance of hytrel® ball – TPEE
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 35-45 | Shore D |
| Exercise temperatures | -40/120 | ° C |
| Exercise temperatures | -40/248 | °F |
Available diameters and grades for hytrel® ball – TPEE
| Parameter | Value |
|---|---|
| Minimum diameter | 1.5 mm — 1/16′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | 0-I-II-III-IV-V |
Hytrel® Ball Corrosion Resistance – TPEE
Excellent resistance to petroleum products and mineral oils, good resistance to contact with alcohols and ketones, good enough with aromatic hydrocarbons and in a non-aggressive acid environment. Do not resist contact with strong acids, even at low concentrations.
Hytrel® Ball Applications – TPEE
Special pumps and valves, membrane pumps.





