• VPL Chemicals Private Limited

Temperature Indicating Crayons

VPL Chemicals offers Temperature Indicating Crayons. These are also called as thermal melt sticks or crayons. These are used to measure the surface temperature during welding, heat treatment, annealing, quenching, induction industries, cables manufacturers, SS and brass valves manufacturers and molding industries etc. This will melt with in 2% of their rated temperature, changing from chalky white appearance to a liquid smear. When this crayons mark melts, that indicates the surface temperature. Features are lead and sulphur free, non-toxic, great accuracy (? 2%).