Explosive solution

摘要

Swiss civil engineering company Gasser Felstechnik used PE pipe supplied by Haka-Gerodur to package explosives for blasting operations to clear Switzerland's Gotthard Tunnel approaches of loose rock.The pipe ,which was manufactured from Basell's Hostalen PE,was used to contain measured quantities of explosives.These were lowered into more than 80 thirty-metre deep holes bored in the rock.