Temperature Indicating Crayon 232 deg C / 450 deg F melting point

Temperature Indicating Crayon 232 deg C / 450 deg F melting point

Uses include heating of Aluminium Cylinder Heads for straightening without heat distortion or annealing the material.

Visual indication that piece has reached temperature

Mark your work piece with one of these temperature indicator crayons before heating. When the piece reaches the required temperature, the marking will melt. Choose from 3 temperatures - 450°, 500° or 600°F.