Abstract
Since discovered, rubbers were tested, among other possible utilizations, for their military use. In the present study, NBC protection properties of a new bromobutyl rubber-based composite (BrBR) are presented: protection time against liquid droplets of mustard gas (also known as yperite, 1,5-dichloro-3-thiapentane or HD), flame resistance and flame propagation properties. The tests performed demonstrated the improvement brought by BrBR in comparison with the materials in use in the Romanian army, this material offering the same protection level as the materials used nowadays in developed countries. Keywords: NBC protection, composites, mustard gas, burning time