Acronym and details: derived from sand
Group: usually thermosets
Developed: discovered in 1934; used commercially from 1942
Trade names: Silastic
Manufacturing process: injection moulding
Cost: high
Colour: any
Transparency: translucent to opaque
Rigidity: flexible
Feel: soft and bouncy
Smell: none
Other: water-repellent; can be subjected to high heat without damage; bouncy; feels sensuous; softer than fingernail
Typical uses: baking and ice trays; oven gloves; breast implants; baby teats; silly putty; micro-chips
Degradation: relatively stable