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DuPont(tm) Elvaloy(r) RET

As a reactive polymer, Elvaloy® RET asphalt modifier "locks in" improved binder performance

Locking In Performance 
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Because it is a reactive polymer, DuPont™ Elvaloy® RET permanently improves the internal bonding and resilience of modified asphalt binder. It "locks in" improved performance when melt-blended and properly reacted with bitumen.

Using RET, compared with SBS and most other high-performance asphalt modifiers, producing enhanced binder properties happens during a fluid contact stage, without adding excessive heat or mixing energy.
reactive polymer testing

Testing and Production Methods

Easy-handling pellets of Elvaloy® RET can be pre-tested to determine their ideal addition level with a given local asphalt.  » More information for producers