The cellular sponge material is suited to a wide range of sealing solutions to protect rail vehicles against penetration of dust, moisture, air, or light within outdoor enclosures. HT800 is used to enhance the performance of outdoor lighting fixtures, HVAC units and electronic cabinets. The silicone sponge also optimises shock absorption and reduces isolate vibration for a number of components within rail vehicles, including electronic components, seat cushions and gaskets.