Material:TEADIT style 2500 consists of a special hollow rubber core, wrapped in a layer of pure PTFE-tapes. This is surrounded by a cushion of synthetic fibres, again wrapped in a layer of PTFE-tapes, and a braided outer jacket of strong and durable, lubricated PTFE yarn.Properties: Universally usable tank lid packing with extremely high chemical resistance and flexibility. Will remain resilient for years. Available in square and rectangular cross sections. Application areas: Style 2500 can be used with all kind of tank lids, hatches etc. for ships, barges, road- and rail transport vehicles, storage tanks etc. Application media: TEADIT style 2500 was developed for the carrying of hazardous liquid cargoes and can be used with most chemicals likely to be carried, i.e. chemicals, solvents, acids, alkalis, oils, foodstuffs etc.Advantages: Style 2500 is universally usable for all kinds lids and hatches, it is flexible and conforms easily to slight irregularities in the grooves.Not suitable for: Molten alkali metals and fluorine compounds at high temperature and pressure, oxygen