RS-E600 Pre Cured Black Natural Rubber is an economical alternative to RS-600 and is made from a natural rubber polymer. It combines the properties of good heat resistance, and very good resistance to corrosive acids and alkalies, while still retaining abrasion resistance. It has excellent resistance to ozone and outdoor weathering effects, and suitable for use with a range of chemicals including oxygenated solvents and hydraulic fluid. Also shows low permeability to compressed gases. Supplied with a special CN Bonding layer which does not require buffing prior to bonding. Also available in Red.