... and very famous in China. 1.material (Silicone rubber) 2.3M Adhesive 3.Mylar circuit. Advantage:1. ... are Rohns compliant 3.Our engineer will work with customers and reommend specail constrution design to meet ... ,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so on ... 202,M204.Condition B) Elastomer Membrane Circuit with Silicon Rubber Part