Designed from a lightweight thermoplastic material, these low density polyethylene balls (LDPE) offer remarkable robustness in the face of abrasion and shock. They are ideal for applications requiring good electrical insulation and corrosion resistance. Marteau- Lemarie, with 40 years of expertise, guarantees a rapid availability of these products in stock in France.
Physical characteristics of low density polyethylene ball (ldpe)
| Ownership | Value | Unit |
|---|---|---|
| Density | 0.92 | g/cm3 |
| Young Module | 275 | MPa |
| Thermal expansion coefficient | 160 (T=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 0.46 | W/m·K |
| Volume resistivity | >10^13 | D·m |
| Relative magnetic permeability | <~1 | — |
| Magnetic behaviour | Diamagnetic | — |
| Friction coefficient | 0.4 | — |
| Absorption of moisture (24 h) | 0.06 | % |
Hardness and mechanical strength of low density polyethylene ball (ldpe)
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 40-55 | Shore D |
| Exercise temperatures | -30/70 | ° C |
| Exercise temperatures | -22/158 | °F |
Available diameters and grades for low density polyethylene ball (ldpe)
| Parameter | Value |
|---|---|
| Minimum diameter | 1.5 mm — 1/16′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | 0-I-II-III-IV-V |
| Precision standards | ISO 3290 |
Corrosion resistance of low density polyethylene ball (ldpe)
Excellent resistance to acids, alcohols, bases, esters, gasoline, fats and oils. Moderate resistance to aliphatic and aromatic hydrocarbons, mineral oils, oxidizing agents. Do not resist halogenated hydrocarbons.
Applications of low density polyethylene ball (ldpe)
Anti-evaporation, anti-odor devices. Adapted to floating applications. Used in the electronic, pharmaceutical and medical industries.
