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SEDRA GmbH was founded in 1885.
Starting as a factory in Wiesbaden that produced asphalt products, SEDRA
has become one of Germany's leading companies in the manufacture, sale and processing of joint sealants for road and rail construction. For more than 60 years, SEDRA
has provided a variety of track bedding and rail-insulation systems for use as customized solutions for light rail transport systems. SEDRA develops product solutions to dampen vibrations and noise and for
insulation purposes in rail construction.
Since 1997, SEDRA has been a company with a certified quality-management programme in compliance with DIN ISO 9001 / EN 29001.
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