Uni Klinger spiral wound gaskets are subjected to compressibility & recovery test as per IS 7719 & sealability test are conducted at ambient/elevated pressure & temperature. Fillers used are Graphite, Asbestos & PTFE. Compressibility & Recovery test as per IS 7719 and sealibility test are conducted at ambient pressure and temperature. Uni Klinger Spiral wound gaskets are approved with all major consultants including EIL & TDC.