The flange insulation set Guardian Basic ICSF uses Planiflex® PF64 like sealing and insulating material. This gasket is made by aramid-based materials and NBR rubber, specially selected to meet high performance standards for a wide range of industrial applications . Planiflex® PF64 can be applied at the temperature -40 ° C to 250 ° C and at the pressure classes 150-600 lbs and PN40. These gaskets show the typical chemical compatibility of the nitrile rubbers in the pH range . Planiflex® PF64 is applicable for sealing with vapors, lubricants, solvents, gases, steam and many diluted acids and alkalis. Its dielectric strength of about 20 KV / mm is satisfactory in many corrosion protection applications. To maximize the effectiveness of the flange insulation set Guardian Basic ICSF it is always recommended to use Sleeves and Waskers in GRE G10 (FR4).