What cleanroom flooring is most common for pharmaceutical cleanrooms?

Pharmaceutical cleanroom flooring must be chemical resistant, otherwise the aggressive cleaning  agents used in pharmaceutical cleanrooms will damage the flooring. The cleanroom flooring minimize joints and cracks. Contamination can get stuck in these features which can cause bacterial growth.  The most common pharmaceutical cleanroom floorings are heat-welded vinyl with integral cove or epoxy coating with urethane over coat.