HLL Lifecare Ltd, with its headquarters here in the Kerala capital, is one of the world's biggest contraceptive manufacturers.
The company said graphene is a two-dimensional material consisting of a single layer of carbon atoms arranged in a honeycomb or chicken wire structure. It is the thinnest stretchable material known and is also one of the strongest. It conducts electricity as efficiently as copper and overtakes all other materials as a conductor of heat.
