EPDM closed cell insulation pipe UV resitance treatment work temperature(-200Celsius --+175Celsius) low Flammability B1 ... , It is a kind of nonpolar , Saturation and no cracks rubber. Our EPDM insulation provides many advantages over most rigid insulations ... ,13mm,20mm,25mm,32mm,40mm,50mmlength :2M is standard . endless pipe/sheets is available,the length upon customer's requst. rubber insulation pipe