ILS Thermal Interface Materials (TIM) - LED Stars. The ILA-TIM-STAR series, from Intelligent LED Solutions, are a range of thermal heat pads designed specifically for LED Star arrays. The ILA-TIM-STAR thermal gap pads are from ILS' Thermal Interface Materials (TIM) family. They are available in non-adhesive or single/double sided adhesive options.. "Features of the ILA-TIM-STAR single-sided and non-adhesive: Colour: pewter 0.13mm thick Temperature range: -240°C to +300°C Features of the ILA-TIM-STAR double-sided: Colour: cream 0.16mm thick Temperature range: -240°C to +300°C"