Liquid silicone rubbers (LSRs) have a consistency similar to petroleum jelly and are designed for high throughput manufacturing processes such as liquid injection molding and overmolding.


NuSil LSRs provide an excellent material for precision molded components, such as O-rings, gaskets, valves and seals used in implantable medical devices.

Key properties and considerations

‒ No post-cure required

‒ Ability to cure rapidly with increased temperatures

‒ Can be supplied in small handheld cartridges

‒ Solvent resistance and high clarity options available

‒ Easily pigmented using NuSil color masterbatches