iCone²⁺ Calorimeter ISO 5660; ASTM E1354; ASTM E1474; ASTM E1740; ASTM F1550; ASTM D6113; CAN ULC 135; BS 476 Part 15 The iCone²⁺ Calorimeter (ISO 5660; ASTM E1354) is the latest in the FTT Cone range. It incorporates all of the best features of our range of cone calorimeters. Specifically, the iCone2 offers cutting edge