Polychloroprene elastomers have good mechanical properties and resistance to shock and abrasion. They have excellent resistance to weather, UV radiation and anti-flammable properties. Excellent adhesion to metals. Neoprene® is a registered trademark of Dupont.
Physical characteristics of the ball Rubber – neoprene balls®(cr)
| Ownership | Value | Unit |
|---|---|---|
| Density | 1.36 | g/cm3 |
| Young Module | 2.5 | MPa |
| Thermal expansion coefficient | 139 (T=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 0.19 | W/m·K |
| Electrical resistivity | >10^17 | D·mm2/m |
| Relative magnetic permeability | <~1 | — |
| Magnetic behaviour | Diamagnetic | — |
| Friction coefficient | 0.65 | — |
| Fracture extension | max 600 | % |
| Remanent compression | 28 | % |
Hardness and mechanical resistance of the ball Rubber – neoprene balls®(cr)
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 60-80 | Shore A |
| Tensile failure load | 10-25 | MPa |
| Tensile failure load | 0,73-2,90 | psix10^3 |
| Exercise temperatures | -30/100 | ° C |
| Exercise temperatures | -22/212 | °F |
Diameters and grades available for ball Rubber – neoprene balls®(cr)
| Parameter | Value |
|---|---|
| Minimum diameter | 2 mm — 3/32′′′ |
| Maximum diameter | 152.4 mm — 6′′′ |
| Grades available | III |
Corrosion resistance of ball Rubber – neoprene balls®(cr)
Excellent resistance in sea water, acids and diluted bases, refrigerant fluids, ammonia, ozone. Good resistance to freshwater and marine contact and alkalis. Quite good resistance to mineral oils and aliphatic hydrocarbons, steam. Do not resist contact with strong acids and bases, aromatic hydrocarbons, polar solvents, esters and ketones.
Applications of the rubber ball – neoprene balls®(cr)
Industrial uses as sealing elements in pumps and valves, they are also used as decorative elements and in sports applications. Ideal for outdoor applications.
