• VPL Chemicals Private Limited

Temperature Indicating Crayons

VPL Chemicals Pvt Ltd, an ISO 9001:2000 certified company, manufactures and distributes temperatures indicators with the trade name of "Tempindic". These temperature indicators are popularly known as thermal melt crayons or sticks or chalks. Description: VPL's temperature indicators (Tempindic) will melt within ±1% of their rated temperature changing from chalky mark to liquid smear. Melting (smear) of Tempindic mark indicates the surface temperature of the object. These low cost temperature indicators are extensively used for measuring the surface temperature of the objects during welding (pre-weld, post-weld), heat treatment, foundries, forgings and annealing, etc. Keeping its wide applications and requirements of the users, these temperature indicators are made available in 90 different temperature ratings systematically spaced between 50°C to 1200°C (also available another 90 ranges in °F). These crayons are made of high quality raw materials and are free from lead and sulfur. Each Tempindic (crayon) will be supplied in aluminium holder. As per the requirements of the user, tailor made ranges also will be supplied.