Most Advanced Closed and Open cell Nitrile Rubber Insulation comes from Armacell. Closed Cell nitrile Class ‘O” is used for Under Deck Insulation / Pipe Insulation and Equipment Insulation. Open Cell Class “1” Microban is used for Acoustic Insulation. By Low thickness, Lightweight, and Low thermal conductivity value, they are preferred products for many industry segments includes the food and Pharma Industry also.