Profile: Jelinek Cork Corp. produces gaskets, carburetor and level gauge floats, specialty components for musical instruments, batteries, sporting goods and shoe trades, and industrial goods. Our cork & rubber are produced from recycled cork and rubber which have thermal and acoustic properties. Our S323 rubber cork sheets are used for aftermarket automobile and industrial applications. Semi rigid cork insulation sheets are naturally dark in color, and designed for insulation purposes. We also specialize in offering custom printing services.