T-ISS HeatStop is a modified basalt fiber with an aluminium layer for Heatinsulation, it is definitely 100% environmental and health friendly material. Compared to similar asbestos related products in the market, our HeatStop fiber is environmental friendly material, that is more and more used to replace glass or ceramic fibres. At the same time there are testreports for your reference, it showed HeatStop is not of any harm with human health. Similar products in shipping industry contain Fibres which are treath to human health similar as asbest. The HeatStop tape comes with an modified reinforced Aluminium bonding adhesive tape to close the ends of the wrapping. Heat resistance till 1000 C. The product has a BV Type of approval.