NetComposites
Advanced Engineering 2018

RTP EMI Shielding Compounds Ideal for Automotive Radar and Sensing System Components

29 April 2014

RTP has developed EMI shielding compounds that are ideal for replacing metal or conductive coated plastic housings in automotive sensing systems. 

RTP explains that drivers depend on the proper operation of automotive radar and sensing systems to maintain vehicle safety and reliability, thus these systems require highly reliable EMI protection to eliminate noise that could interfere with signal processing.  As automotive industry engineers incorporate more electronic safety systems into vehicles, they need materials that are lighter in weight and provide greater design flexibility.

Neil Hardwick, Marketing Manager for Conductive Products at RTP says, “The automotive industry is putting more emphasis on reducing mass in order to meet fuel efficiency and emissions regulations. RTP Company’s EMI shielding compounds are an ideal solution for engineers who need to replace metal components with lighter-weight materials that are simple and economical to produce without sacrificing critical EMI shielding performance.”

According to EMI, compounds from RTP Company can be tuned to provide the precise range of EMI protection required for individual automotive systems.  Thermal management properties can also be combined with EMI protection in a single ready-to-mould compound, which is advantageous because it can be used in a dual role as an EMI shield and a heat sink.

RTP believes other performance enhancements can be incorporated during compounding, such as EMI absorbers, flame retardants and structural reinforcement. EMI compounds from RTP Company provide the design, fabrication, weight savings, and corrosion resistance advantages that injection mouldable thermoplastics have over traditional metal materials used to provide EMI protection.

RTP explains radar and sensing system components made with the company’s EMI compounds provide consistent EMI shielding properties while minimising total system cost. They feature moulded-in shielding performance achieved in a single production step.  This is a more reliable and economical approach than coating moulded plastic parts with a conductive layer in a secondary process that increases manufacturing time and costs.  






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