InertCap 35 manufactured by GL Sciences Inc. is a medium polar column incorporating 35 % diphenyl and 65 % dimethylpolysiloxane. With stronger polarity than InertCap 25, InertCap 35 is ideal for the analyses of semivolatile compounds or solvent. The maximum operating temperature is 360 °C. InertCap 35MS features the world highest inertness and ultra low bleed, making it ideal for GC/MS analysis