Kingflex Halogen-free flexible closed-cell thermal insulation tube is in dark grey color. Certified for use in marine environments, rail and military sectors. Also Kingflex halogen-free flecible closed cell thermal insulation tube is suitable to use on clean and server rooms. Kingflex halogen-free flecible closed cell thermal insulation tube meets the demand for insulation material with minimal smoke and toxic emissions in the event of a fire. As a closed cell material, Kingflex halogen-free flecible closed cell thermal insulation tube provides exceptional water vapour resistance and features all the properties which you can expect from a flexible insulation material, such as low thermal conductivity. Kingflex halogen-free flecible closed cell thermal insulation tube is a halogen-free, flexible, closed-cell elastomeric tube insulation product.