Rejuvenator Liquid

“Wetbond-REX” is a performance grade liquid rejuvenating additive for RAP based hot mix pavements. This is a versatile product which combine properties of Rejuvenation of old oxidized asphalt (present in RAP), Anti-stripping (Water damage protection) and Warm mix asphalt (better compaction on below normal compaction temperatures).

Due to continuous exposure to environmental factors like UV radiation from sunlight, frictional heat generated from moving traffic tyres, freeze thaw, regular change in day and night road temperatures, deposition of clay, sand and other mineral substances on road surface and natural aging process of Bitumen, the bitumen used in construction of asphalt pavements becomes oxidized and brittle over a period of time. This results in loss of flexibility of asphalt layers, formation of cracks, potholes and finally complete failure.

An important factor contributing to brittleness is loss of maltene part of bitumen which chiefly consists of resins, oils, oleifins, naphthenes, and natural polymers. During recycling of asphaltic pavements, a substantial quantity of Reclaimed asphalt (RAP) is produced which is generally wasted in the form of landfills. However by using a liquid rejuvenating additive capable of replenishing the lost maltene part and by adding a little quantity of fresh bitumen to this RAP, the same can be reused for fresh paving and provide a lot of savings in terms of materials, time and money.