SoftPlast - high appearance Silicone A flexible and highly customizable surface that is HARDER than Silicone keys but SOFTER than Plastic - hence Softplast. A highly cost efficient solution between Silicone andsoftplast2 Plastic with an excellent appearance. Can be a closed surface or integrated with plastics for short stroke only. Softplast is extremely flexible in terms of surface structure, design, and lighting. It will bring your HMI to a new level without adding significant tooling cost (like for plastic). You can find Softplast in the latest consumer electronics, mobile phones, and handheld devices from the instrumentation.