Dilatometer has been used in the fabrication of metallic alloys, compressed and splintered refractory compounds, glasses, composite materials and plastics. Sample length may be 50mm(max) or 25mm;Sample diameter range is 6~8mm;Measuring range and error may be is ± 5 mm ± 0.1%or ± 2.5 mm ± 0.1%.It has a heating rate of 1 ~ 30 oC minute.Dilatometer is also used to monitor the progress of chemical reactions.