The public destruction of the drugs haul was the first such program in Sri Lanka as authorities seek to deter smugglers from using the Indian Ocean island nation as a transit point for drug distribution in the region.
Police officers first liquefied the cocaine, which was packed in 30 sacks in front of a magistrate at a pre- processing facility of a cement firm outside the capital Colombo. It was then taken to be disposed in a cement kiln north of the capital.
Police spokesman Ruwan Gunasekara said the drugs were not meant for Sri Lanka and that no suspects were found. President Maithripala Sirisena and other top officers attended today's event.
Sri Lanka's Law and Order minister Sagala Rathnayaka said Sri Lanka "is being used as a transit point" by drug dealers, although some of the drugs may come into the country.
Rathnayaka said publicly destroying the drugs would send a message that "we are very serious about the zero tolerance policy.