Sumitube® products conform to a wide range of industry standards including military, aerospace, UL and CSA.   In addition, many specialty type materials are offered such as high-temperature, low smoke, medical, conductive, chemical resistant, and low outgassing grades.   Materials available include irradiated cross-linked heat-shrinkable polyolefins, fluoroplastics, and elastomers in diameters ranging from 3/64" to 4", in colors.