... CE,Aenor 2,For heating pex-al-pex pipe ,pex pipe Insulation pipes: Hangzhou MARK insulation pipes are available in ... By minimising the heat loss, it is appropriate for outdoor use with resistance in solar radiation and ... coils.It can be applied in already installed pipes in heating and sanitation systems, in water transportation or ... Bending Curve5 XDSelf-extinguishingClass 1 insulation pipes for heating