It can originate from both waste vegetable oil and animal fats.
It can be polymerized heated without oxygen to about 500 degrees Fahrenheit or mixed with varnish to improve its drying speed and hardness.
Khairuddin said his Ministry will continue monitoring ongoing developments, in order to ensure that the cooking oil subsidies can be improved in future so that such assistance will trickle down to the needy and downtrodden.