Specification ConformanceRockloyd Pipe sections manufactured from select rocks using state of the art technology conforms to local & international standards such as IS: 9842BS: 3958 Part-5ASTM C547-95 Thermal Conductivity Standard Densities 144, 150 & 160 Kgm3Application Temperatures -100c to +8000cStandard Thickness* 25, 40, 50, 60, 65, 75mmDiameter Range** 12.5mm to 350mm Nominal Bore.Standard length 0.5, 0.75, 1.0 mts.Facings (if specified) Kraft Paper, Scrim cloth, Canvas or Aluminium Foil.* Other thickness from 20 to 100 mm in steps of 5mm can also be made available.** Outer Diameter of Pipe to be specified.