The rubber bellow protects the internal device from dust, dirt, UV rays, sand, wood or metal chips, humidity, water sprays (or liquids in general), oils, chemicals, and other contaminants.
The rubber material remains flexible during its lifespan even in harsh environmental conditions and applications.
|Material||Environment of use|
|EPDM||Outdoor (sun, UV, air, rain)|
|NBR||Contact with grease / mineral oil|
|VMQ (Silicone)||High temperatures (200-300°C), food safety|
|CR (Neoprene)||Grease / mineral oil and external|
|HNBR||Grease / Mineral oil and high temp. (170 °C|