lineTEC ProFlex DIBt Z-42.3-416• 50 - 250 mm / 2° - 8°. Flexible Hightex Fiber. 90° bends. 2 dimensional changes. Good longitudinal stability. Wall thickness 4.5 mm (Proflex). Final wall thickness 3.5 mm (ProFlex). Hot curing with water (up to 70°C) and steam * 70°