Centurion Vulcan slip ratchet safety helmet with specialised fibreglass. The Vulcan safety helmet is designed to protect workers where there is a risk from high levels of radiant heat. Made from a polyester resin shell which is glass reinforced plastic (GRP), resistant to radiant temperatures of up to 500C. Comfortable fit with Terylene 6-point cradle and brushed nylon sweatband. Standard EN397:2012.