Duratex 70 is a 70 denier nylon with a butyl rubber neoprene backing.   It’s engineered to yield low Moisture Vapor Transmission, significantly better than PU or PVC coated and laminated fabrics, while maintaining high levels of Hydrostatic Burst;.   For the benefit of infection control Duratex 70 E  is treated with Ultrafresh Anti – Microbial