Silicone can be used in several ways.

It can be used for its qualities to reproduce a surface or in the manufacturing of a final product. It is an undying source of creation.

Ultimate touch material, it is flexible and rigid and integrates transparency in large objects. It can be used to recreate a plastic effect (colour, foam, loads…).

Reference Anselm Kieffer On sunflowers/polyurethane elastomer research