RTJ Gaskets

Star 21 International is the largest ring joint gasket manufacturer in Southeast Asia. We manufacture and supply ring joint gaskets in Singapore that have passed various international standards. Highly reliable and safe, many of our gaskets are widely used in the oil, gas, chemical, petrochemical, offshore, railway, atomic energy, and shipping industries.

How Do RTJ Gaskets Work

Star 21 is a ring joint gasket manufacturer whose gaskets are specifically designed to deliver top-notch tolerance and tightness to withstand pressure as well as temperature changes that are encountered during operations. On top of this, we ensure they are free from imperfections so that their reliability and safety are not compromised.