Plaster of Paris is quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrates), which hardens when moistened and allowed to dry.
TTPL is setting up an industrial unit for manufacturing “PLASTER OF PARIS” from Gypsum, the bye-product of the neutralisation plant. This a GREEN FIELD PROJECT by the TTPL and aims to convert industrial waste to value-added products. The plant is expected to be commissioned by 2025.  The plant will have a capacity of 130 Tonnes per day.


Plaster of Paris is mainly used as a construction material for making decorative and ornamental castings especially on ceilings and cornices. It is used as a fire-proofing material and also for hospital use in orthopaedic casts.

Chemical name
Plaster of Paris–CaSO4. ½ H2O
CAS number: 10034-76-1