ISO 4635:1982

Rubber, vulcanized — Preformed compression seals for use between concrete motorway paving sections — Specification for material

Does not cover design or dimensions of seals, but tolerances should be described in accordance with ISO 3302. Is based on experience with chloroprene rubber. Work is in progress to take account of material development in this field. The requirements are summarized in a table. The annex refers to the determination of recovery.