Ceramic Coating The ceramic coating of liners has already been mentioned section dealing with the avai- lable seal versions and their process, a chromic oxide is sprayed onto the special chrome steel material under stringent physical and chemical conditions. This high quality coating process ensures • A perfectly smooth surface • A maximum bond between the chrome steel base and To date, we have delivered more seals with ceramic-coated liners. tary component to the aft seal netting and fishing lines from Netting and fishing lines not kept off by the rope guard are taken with its U-shaped cross-section. With increasing amounts of net- ting or lines filling up the ring the entry gap decreases and finally closes completely, so preventing The flow of water into the pro- peller is not changed by this proven and functionally reliable