Application

Tack Coat

P rime coat is a bonding layer of liquid asphalt that is placed on top of the class A aggregate foundation layer. with penetration of 80/100, or penetration of 60/70 in melted kerosene. The volume used ranges from 0.4 to 1.3 liters / m2. The function of Prime Coat Asphalt is to provide binding strength between the aggregate foundation layer and the Hotmix Asphalt. In addition, it also serves to prevent the loss of the granules of the aggregate foundation layer when the vehicle passes before being coated with Hotmix Asphalt. Then Prime Coat also functions to protect the aggregate foundation layer from the influence of the weather, especially when it rains so that water does not enter the aggregate foundation layer so that it can cause damage to the road structure.

Prime Coat

T ack coat is an adhesive layer in the form of liquid asphalt placed on top of asphalt layer or concrete layer. The binder layer consists of fast-absorbing emulsion asphalt or hard asphalt. For use, it ranges from 0.15 to 0.50 / m2 thinner than the volume of Prime coat. The main function of Tack Coat is to provide binding power between the old layer and the new layer.