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Due to the low viscosity compared to other manufacturers, the gap filler fluids from Kerafol® are perfectly suitable for pouring and dispensing and therefore for the stress-free "wet in wet" construction for the component. Gap Filler Liquids are ceramic-filled two-component silicone elastomers without solvents. The new Kerafol product range is characterized by its wide range of thermal conductivity, high degree of insulation and its different compression characteristics. With this in mind, the GFL 3040, a silicone-based 2K casting compound with 4.3 W/mK, was developed. Especially the combination of a very high thermal conductivity, coupled with an excellent flow characteristics is remarkable. Despite the high solid content, the two components of the elastomer can be easily applied by hand with a dispenser gun. The mass can be easily pressed in the wet structure but is inherently stable, i.e. uncontrolled running does not take place. Conventional dispensing systems are used for automated processing of the Gap Filler. The material can be fed via cartridges as well as via hobbles. For high-filled masses, the piston metering system with volumetric material handling and a static mixer is currently state of the art. In the development of the GFL 3040 the focus was also placed on a relatively low abrasion behavior, which could minimize wear and operating costs of the plant.This text is machine translated.