Henry MT212 Maritape 40 Hatch Cover Tape is recommended for marine applications where the weather and sea conditions can be moderate and predictable. It offers far greater strength and reliability than all other competitors in the medium duty tape class.  With its unique blend of modified polymers and its exclusive "Sea-Tuf" backing, MT212 Maritape 40 Hatch Cover Tape has superior adhesion and strength over all other medium duty competitors.