Lowcell U ke "supercritical non crosslinked extruded foamed polypropylene board" e nang le sele e koetsoeng le sebopeho se ikemetseng sa bubble.Sekhahla sa foaming ke linako tse 2. Boima ba 0.45-0.5g / cm3, botenya ke 7mm.Ka lebaka la boima ba eona bo bobebe, modulus e ntle haholo ea ho kobeha le matla a ts'usumetso, hammoho le polypropylene e tlase ea dielectric, e sa ameng phetiso ea lets'oao, e ka sebelisoa e le thepa ea mantlha ea radome.