• Hydrogen leakage can be visually confirmed by the discoloration of the rubber.
• Since it can be used repeatedly, there is no need to replace it each time.
• It can be molded into any shape, and it can also be provided in a product shape according to the application.

                                                       A window that fits into a hole (detected with the naked eye through a window)

                                                   A window designed for thin-walled enclosures (detected with the naked eye through a window)

                                                  Gauge specification that can be observed with the naked eye by inserting and removing

                                                      By covering the joints of the pipes, the operator can detect it with the naked eye.